Home / 371,419,693.60-555,806,842.80-323,424,666.40

Finding the Fourth Proportional to 371,419,693.60, 555,806,842.80 and 323,424,666.40

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Solution

The fourth proportional to 371,419,693.60, 555,806,842.80 and 323,424,666.40 is: 483,985,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,419,693.60 : 555,806,842.80 = 323,424,666.40 : x
  2. Step 2: Convert to fraction form
    371,419,693.60/555,806,842.80 = 323,424,666.40/x
  3. Step 3: Cross multiply
    371,419,693.60x = 555,806,842.80 × 323,424,666.40
  4. Step 4: Simplify right side
    371,419,693.60x = 179,761,642,715,427,200
  5. Step 5: Solve for x
    x = 179,761,642,715,427,200/371,419,693.60
  6. Step 6: Final answer
    x = 483,985,221.60

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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.