Home / 1,152,062,081.28-1,589,849,856.96-623,426,010.24

Finding the Fourth Proportional to 1,152,062,081.28, 1,589,849,856.96 and 623,426,010.24

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Solution

The fourth proportional to 1,152,062,081.28, 1,589,849,856.96 and 623,426,010.24 is: 860,330,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,062,081.28 : 1,589,849,856.96 = 623,426,010.24 : x
  2. Step 2: Convert to fraction form
    1,152,062,081.28/1,589,849,856.96 = 623,426,010.24/x
  3. Step 3: Cross multiply
    1,152,062,081.28x = 1,589,849,856.96 × 623,426,010.24
  4. Step 4: Simplify right side
    1,152,062,081.28x = 991,153,753,205,207,552
  5. Step 5: Solve for x
    x = 991,153,753,205,207,552/1,152,062,081.28
  6. Step 6: Final answer
    x = 860,330,158.69

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Double scale
Find fourth proportional to 1,152,062,082.28, 1,589,849,858.34 and 623,426,011.24
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.