Home / 1,915,830,034.60-2,873,745,051.90-688,839,053.80

Finding the Fourth Proportional to 1,915,830,034.60, 2,873,745,051.90 and 688,839,053.80

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Solution

The fourth proportional to 1,915,830,034.60, 2,873,745,051.90 and 688,839,053.80 is: 1,033,258,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,830,034.60 : 2,873,745,051.90 = 688,839,053.80 : x
  2. Step 2: Convert to fraction form
    1,915,830,034.60/2,873,745,051.90 = 688,839,053.80/x
  3. Step 3: Cross multiply
    1,915,830,034.60x = 2,873,745,051.90 × 688,839,053.80
  4. Step 4: Simplify right side
    1,915,830,034.60x = 1,979,547,822,413,227,776
  5. Step 5: Solve for x
    x = 1,979,547,822,413,227,776/1,915,830,034.60
  6. Step 6: Final answer
    x = 1,033,258,580.70

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Double scale
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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.