Home / 1,259,721,000.83-1,889,581,501.24-532,709,712.83

Finding the Fourth Proportional to 1,259,721,000.83, 1,889,581,501.24 and 532,709,712.83

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Solution

The fourth proportional to 1,259,721,000.83, 1,889,581,501.24 and 532,709,712.83 is: 799,064,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,721,000.83 : 1,889,581,501.24 = 532,709,712.83 : x
  2. Step 2: Convert to fraction form
    1,259,721,000.83/1,889,581,501.24 = 532,709,712.83/x
  3. Step 3: Cross multiply
    1,259,721,000.83x = 1,889,581,501.24 × 532,709,712.83
  4. Step 4: Simplify right side
    1,259,721,000.83x = 1,006,598,418,883,660,928
  5. Step 5: Solve for x
    x = 1,006,598,418,883,660,928/1,259,721,000.83
  6. Step 6: Final answer
    x = 799,064,569.24

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Half scale
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Double scale
Find fourth proportional to 1,259,721,001.83, 1,889,581,502.74 and 532,709,713.83
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.