Home / 1,258,272,039.30-1,887,408,058.95-822,915,572.10

Finding the Fourth Proportional to 1,258,272,039.30, 1,887,408,058.95 and 822,915,572.10

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Solution

The fourth proportional to 1,258,272,039.30, 1,887,408,058.95 and 822,915,572.10 is: 1,234,373,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,272,039.30 : 1,887,408,058.95 = 822,915,572.10 : x
  2. Step 2: Convert to fraction form
    1,258,272,039.30/1,887,408,058.95 = 822,915,572.10/x
  3. Step 3: Cross multiply
    1,258,272,039.30x = 1,887,408,058.95 × 822,915,572.10
  4. Step 4: Simplify right side
    1,258,272,039.30x = 1,553,177,482,616,989,952
  5. Step 5: Solve for x
    x = 1,553,177,482,616,989,952/1,258,272,039.30
  6. Step 6: Final answer
    x = 1,234,373,358.15

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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.