Home / 401,916,151.80-602,874,227.70-398,514,929.40

Finding the Fourth Proportional to 401,916,151.80, 602,874,227.70 and 398,514,929.40

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Solution

The fourth proportional to 401,916,151.80, 602,874,227.70 and 398,514,929.40 is: 597,772,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,916,151.80 : 602,874,227.70 = 398,514,929.40 : x
  2. Step 2: Convert to fraction form
    401,916,151.80/602,874,227.70 = 398,514,929.40/x
  3. Step 3: Cross multiply
    401,916,151.80x = 602,874,227.70 × 398,514,929.40
  4. Step 4: Simplify right side
    401,916,151.80x = 240,254,380,288,945,024
  5. Step 5: Solve for x
    x = 240,254,380,288,945,024/401,916,151.80
  6. Step 6: Final answer
    x = 597,772,394.10

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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.