Home / 865,754,332.26-1,194,708,970.80-469,268,809.16

Finding the Fourth Proportional to 865,754,332.26, 1,194,708,970.80 and 469,268,809.16

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Solution

The fourth proportional to 865,754,332.26, 1,194,708,970.80 and 469,268,809.16 is: 647,573,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,332.26 : 1,194,708,970.80 = 469,268,809.16 : x
  2. Step 2: Convert to fraction form
    865,754,332.26/1,194,708,970.80 = 469,268,809.16/x
  3. Step 3: Cross multiply
    865,754,332.26x = 1,194,708,970.80 × 469,268,809.16
  4. Step 4: Simplify right side
    865,754,332.26x = 560,639,656,014,111,616
  5. Step 5: Solve for x
    x = 560,639,656,014,111,616/865,754,332.26
  6. Step 6: Final answer
    x = 647,573,607.35

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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.