Home / 1,086,154,138.21-1,499,050,655.04-609,897,971.65

Finding the Fourth Proportional to 1,086,154,138.21, 1,499,050,655.04 and 609,897,971.65

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Solution

The fourth proportional to 1,086,154,138.21, 1,499,050,655.04 and 609,897,971.65 is: 841,747,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,154,138.21 : 1,499,050,655.04 = 609,897,971.65 : x
  2. Step 2: Convert to fraction form
    1,086,154,138.21/1,499,050,655.04 = 609,897,971.65/x
  3. Step 3: Cross multiply
    1,086,154,138.21x = 1,499,050,655.04 × 609,897,971.65
  4. Step 4: Simplify right side
    1,086,154,138.21x = 914,267,953,909,499,776
  5. Step 5: Solve for x
    x = 914,267,953,909,499,776/1,086,154,138.21
  6. Step 6: Final answer
    x = 841,747,889.87

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Double scale
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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.