Home / 1,013,317,947.28-1,397,657,729.02-929,955,335.32

Finding the Fourth Proportional to 1,013,317,947.28, 1,397,657,729.02 and 929,955,335.32

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Solution

The fourth proportional to 1,013,317,947.28, 1,397,657,729.02 and 929,955,335.32 is: 1,282,676,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,317,947.28 : 1,397,657,729.02 = 929,955,335.32 : x
  2. Step 2: Convert to fraction form
    1,013,317,947.28/1,397,657,729.02 = 929,955,335.32/x
  3. Step 3: Cross multiply
    1,013,317,947.28x = 1,397,657,729.02 × 929,955,335.32
  4. Step 4: Simplify right side
    1,013,317,947.28x = 1,299,759,262,053,383,936
  5. Step 5: Solve for x
    x = 1,299,759,262,053,383,936/1,013,317,947.28
  6. Step 6: Final answer
    x = 1,282,676,642.16

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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.