Home / 609,516,890.25-841,119,002.53-358,637,531.51

Finding the Fourth Proportional to 609,516,890.25, 841,119,002.53 and 358,637,531.51

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Solution

The fourth proportional to 609,516,890.25, 841,119,002.53 and 358,637,531.51 is: 494,911,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,516,890.25 : 841,119,002.53 = 358,637,531.51 : x
  2. Step 2: Convert to fraction form
    609,516,890.25/841,119,002.53 = 358,637,531.51/x
  3. Step 3: Cross multiply
    609,516,890.25x = 841,119,002.53 × 358,637,531.51
  4. Step 4: Simplify right side
    609,516,890.25x = 301,656,842,773,512,640
  5. Step 5: Solve for x
    x = 301,656,842,773,512,640/609,516,890.25
  6. Step 6: Final answer
    x = 494,911,375.88

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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.