Home / 939,905,594.76-1,297,104,725.61-563,623,444.83

Finding the Fourth Proportional to 939,905,594.76, 1,297,104,725.61 and 563,623,444.83

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Solution

The fourth proportional to 939,905,594.76, 1,297,104,725.61 and 563,623,444.83 is: 777,821,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,905,594.76 : 1,297,104,725.61 = 563,623,444.83 : x
  2. Step 2: Convert to fraction form
    939,905,594.76/1,297,104,725.61 = 563,623,444.83/x
  3. Step 3: Cross multiply
    939,905,594.76x = 1,297,104,725.61 × 563,623,444.83
  4. Step 4: Simplify right side
    939,905,594.76x = 731,078,633,753,580,160
  5. Step 5: Solve for x
    x = 731,078,633,753,580,160/939,905,594.76
  6. Step 6: Final answer
    x = 777,821,344.86

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Double scale
Find fourth proportional to 939,905,595.76, 1,297,104,726.99 and 563,623,445.83
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1.5x scale

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.