Home / 688,085,387.30-1,032,128,080.95-688,085,387.30

Finding the Fourth Proportional to 688,085,387.30, 1,032,128,080.95 and 688,085,387.30

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Solution

The fourth proportional to 688,085,387.30, 1,032,128,080.95 and 688,085,387.30 is: 1,032,128,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,085,387.30 : 1,032,128,080.95 = 688,085,387.30 : x
  2. Step 2: Convert to fraction form
    688,085,387.30/1,032,128,080.95 = 688,085,387.30/x
  3. Step 3: Cross multiply
    688,085,387.30x = 1,032,128,080.95 × 688,085,387.30
  4. Step 4: Simplify right side
    688,085,387.30x = 710,192,250,323,686,528
  5. Step 5: Solve for x
    x = 710,192,250,323,686,528/688,085,387.30
  6. Step 6: Final answer
    x = 1,032,128,080.95

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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.