Home / 1,358,948,458.57-1,875,319,469.07-786,755,637.31

Finding the Fourth Proportional to 1,358,948,458.57, 1,875,319,469.07 and 786,755,637.31

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Solution

The fourth proportional to 1,358,948,458.57, 1,875,319,469.07 and 786,755,637.31 is: 1,085,705,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,948,458.57 : 1,875,319,469.07 = 786,755,637.31 : x
  2. Step 2: Convert to fraction form
    1,358,948,458.57/1,875,319,469.07 = 786,755,637.31/x
  3. Step 3: Cross multiply
    1,358,948,458.57x = 1,875,319,469.07 × 786,755,637.31
  4. Step 4: Simplify right side
    1,358,948,458.57x = 1,475,418,164,048,018,432
  5. Step 5: Solve for x
    x = 1,475,418,164,048,018,432/1,358,948,458.57
  6. Step 6: Final answer
    x = 1,085,705,756.35

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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.