Home / 860,747,621.25-1,291,613,436.90-467,306,437.17

Finding the Fourth Proportional to 860,747,621.25, 1,291,613,436.90 and 467,306,437.17

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Solution

The fourth proportional to 860,747,621.25, 1,291,613,436.90 and 467,306,437.17 is: 701,226,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,747,621.25 : 1,291,613,436.90 = 467,306,437.17 : x
  2. Step 2: Convert to fraction form
    860,747,621.25/1,291,613,436.90 = 467,306,437.17/x
  3. Step 3: Cross multiply
    860,747,621.25x = 1,291,613,436.90 × 467,306,437.17
  4. Step 4: Simplify right side
    860,747,621.25x = 603,579,273,398,637,696
  5. Step 5: Solve for x
    x = 603,579,273,398,637,696/860,747,621.25
  6. Step 6: Final answer
    x = 701,226,769.03

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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.