Home / 869,234,017.15-1,304,387,324.59-402,808,502.26

Finding the Fourth Proportional to 869,234,017.15, 1,304,387,324.59 and 402,808,502.26

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Solution

The fourth proportional to 869,234,017.15, 1,304,387,324.59 and 402,808,502.26 is: 604,461,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,234,017.15 : 1,304,387,324.59 = 402,808,502.26 : x
  2. Step 2: Convert to fraction form
    869,234,017.15/1,304,387,324.59 = 402,808,502.26/x
  3. Step 3: Cross multiply
    869,234,017.15x = 1,304,387,324.59 × 402,808,502.26
  4. Step 4: Simplify right side
    869,234,017.15x = 525,418,304,585,026,304
  5. Step 5: Solve for x
    x = 525,418,304,585,026,304/869,234,017.15
  6. Step 6: Final answer
    x = 604,461,277.65

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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.