Home / 1,087,516,549.51-1,500,511,045.24-635,137,971.73

Finding the Fourth Proportional to 1,087,516,549.51, 1,500,511,045.24 and 635,137,971.73

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Solution

The fourth proportional to 1,087,516,549.51, 1,500,511,045.24 and 635,137,971.73 is: 876,337,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,516,549.51 : 1,500,511,045.24 = 635,137,971.73 : x
  2. Step 2: Convert to fraction form
    1,087,516,549.51/1,500,511,045.24 = 635,137,971.73/x
  3. Step 3: Cross multiply
    1,087,516,549.51x = 1,500,511,045.24 × 635,137,971.73
  4. Step 4: Simplify right side
    1,087,516,549.51x = 953,031,541,832,195,968
  5. Step 5: Solve for x
    x = 953,031,541,832,195,968/1,087,516,549.51
  6. Step 6: Final answer
    x = 876,337,507.01

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Double scale
Find fourth proportional to 1,087,516,550.51, 1,500,511,046.62 and 635,137,972.73
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1.5x scale

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.