Home / 1,878,523,917.35-2,817,320,280.12-634,926,772.17

Finding the Fourth Proportional to 1,878,523,917.35, 2,817,320,280.12 and 634,926,772.17

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Solution

The fourth proportional to 1,878,523,917.35, 2,817,320,280.12 and 634,926,772.17 is: 952,232,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,523,917.35 : 2,817,320,280.12 = 634,926,772.17 : x
  2. Step 2: Convert to fraction form
    1,878,523,917.35/2,817,320,280.12 = 634,926,772.17/x
  3. Step 3: Cross multiply
    1,878,523,917.35x = 2,817,320,280.12 × 634,926,772.17
  4. Step 4: Simplify right side
    1,878,523,917.35x = 1,788,792,071,625,671,680
  5. Step 5: Solve for x
    x = 1,788,792,071,625,671,680/1,878,523,917.35
  6. Step 6: Final answer
    x = 952,232,790.39

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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.