Home / 545,473,966.40-752,567,356.32-310,465,828.16

Finding the Fourth Proportional to 545,473,966.40, 752,567,356.32 and 310,465,828.16

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Solution

The fourth proportional to 545,473,966.40, 752,567,356.32 and 310,465,828.16 is: 428,336,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,473,966.40 : 752,567,356.32 = 310,465,828.16 : x
  2. Step 2: Convert to fraction form
    545,473,966.40/752,567,356.32 = 310,465,828.16/x
  3. Step 3: Cross multiply
    545,473,966.40x = 752,567,356.32 × 310,465,828.16
  4. Step 4: Simplify right side
    545,473,966.40x = 233,646,447,526,070,656
  5. Step 5: Solve for x
    x = 233,646,447,526,070,656/545,473,966.40
  6. Step 6: Final answer
    x = 428,336,569.51

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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.