Home / 805,202,215.90-1,207,803,323.85-417,781,726.90

Finding the Fourth Proportional to 805,202,215.90, 1,207,803,323.85 and 417,781,726.90

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Solution

The fourth proportional to 805,202,215.90, 1,207,803,323.85 and 417,781,726.90 is: 626,672,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,202,215.90 : 1,207,803,323.85 = 417,781,726.90 : x
  2. Step 2: Convert to fraction form
    805,202,215.90/1,207,803,323.85 = 417,781,726.90/x
  3. Step 3: Cross multiply
    805,202,215.90x = 1,207,803,323.85 × 417,781,726.90
  4. Step 4: Simplify right side
    805,202,215.90x = 504,598,158,393,612,864
  5. Step 5: Solve for x
    x = 504,598,158,393,612,864/805,202,215.90
  6. Step 6: Final answer
    x = 626,672,590.35

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1.5x scale

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.