Home / 869,234,016.15-1,304,387,323.09-402,808,501.26

Finding the Fourth Proportional to 869,234,016.15, 1,304,387,323.09 and 402,808,501.26

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Solution

The fourth proportional to 869,234,016.15, 1,304,387,323.09 and 402,808,501.26 is: 604,461,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,234,016.15 : 1,304,387,323.09 = 402,808,501.26 : x
  2. Step 2: Convert to fraction form
    869,234,016.15/1,304,387,323.09 = 402,808,501.26/x
  3. Step 3: Cross multiply
    869,234,016.15x = 1,304,387,323.09 × 402,808,501.26
  4. Step 4: Simplify right side
    869,234,016.15x = 525,418,302,675,419,328
  5. Step 5: Solve for x
    x = 525,418,302,675,419,328/869,234,016.15
  6. Step 6: Final answer
    x = 604,461,276.15

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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.