Home / 1,406,355,397.99-2,109,531,988.80-423,781,948.89

Finding the Fourth Proportional to 1,406,355,397.99, 2,109,531,988.80 and 423,781,948.89

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Solution

The fourth proportional to 1,406,355,397.99, 2,109,531,988.80 and 423,781,948.89 is: 635,672,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,355,397.99 : 2,109,531,988.80 = 423,781,948.89 : x
  2. Step 2: Convert to fraction form
    1,406,355,397.99/2,109,531,988.80 = 423,781,948.89/x
  3. Step 3: Cross multiply
    1,406,355,397.99x = 2,109,531,988.80 × 423,781,948.89
  4. Step 4: Simplify right side
    1,406,355,397.99x = 893,981,577,459,461,632
  5. Step 5: Solve for x
    x = 893,981,577,459,461,632/1,406,355,397.99
  6. Step 6: Final answer
    x = 635,672,589.40

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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.