Home / 622,931,703.60-934,397,555.40-521,650,858.80

Finding the Fourth Proportional to 622,931,703.60, 934,397,555.40 and 521,650,858.80

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Solution

The fourth proportional to 622,931,703.60, 934,397,555.40 and 521,650,858.80 is: 782,476,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,931,703.60 : 934,397,555.40 = 521,650,858.80 : x
  2. Step 2: Convert to fraction form
    622,931,703.60/934,397,555.40 = 521,650,858.80/x
  3. Step 3: Cross multiply
    622,931,703.60x = 934,397,555.40 × 521,650,858.80
  4. Step 4: Simplify right side
    622,931,703.60x = 487,429,287,235,030,592
  5. Step 5: Solve for x
    x = 487,429,287,235,030,592/622,931,703.60
  6. Step 6: Final answer
    x = 782,476,288.20

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Double scale
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Similar ratio
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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.