Home / 1,358,277,302.15-1,874,430,545.13-763,556,579.81

Finding the Fourth Proportional to 1,358,277,302.15, 1,874,430,545.13 and 763,556,579.81

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Solution

The fourth proportional to 1,358,277,302.15, 1,874,430,545.13 and 763,556,579.81 is: 1,053,712,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,277,302.15 : 1,874,430,545.13 = 763,556,579.81 : x
  2. Step 2: Convert to fraction form
    1,358,277,302.15/1,874,430,545.13 = 763,556,579.81/x
  3. Step 3: Cross multiply
    1,358,277,302.15x = 1,874,430,545.13 × 763,556,579.81
  4. Step 4: Simplify right side
    1,358,277,302.15x = 1,431,233,776,130,856,704
  5. Step 5: Solve for x
    x = 1,431,233,776,130,856,704/1,358,277,302.15
  6. Step 6: Final answer
    x = 1,053,712,503.23

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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.