Home / 743,356,281,139.45-1,025,831,717,302.80-413,752,245,847.47

Finding the Fourth Proportional to 743,356,281,139.45, 1,025,831,717,302.80 and 413,752,245,847.47

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Solution

The fourth proportional to 743,356,281,139.45, 1,025,831,717,302.80 and 413,752,245,847.47 is: 570,978,126,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,356,281,139.45 : 1,025,831,717,302.80 = 413,752,245,847.47 : x
  2. Step 2: Convert to fraction form
    743,356,281,139.45/1,025,831,717,302.80 = 413,752,245,847.47/x
  3. Step 3: Cross multiply
    743,356,281,139.45x = 1,025,831,717,302.80 × 413,752,245,847.47
  4. Step 4: Simplify right side
    743,356,281,139.45x = 424,440,176,895,600,449,552,384
  5. Step 5: Solve for x
    x = 424,440,176,895,600,449,552,384/743,356,281,139.45
  6. Step 6: Final answer
    x = 570,978,126,726.80

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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.