Home / 434,484,672.40-651,727,008.60-386,867,558.80

Finding the Fourth Proportional to 434,484,672.40, 651,727,008.60 and 386,867,558.80

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Solution

The fourth proportional to 434,484,672.40, 651,727,008.60 and 386,867,558.80 is: 580,301,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,672.40 : 651,727,008.60 = 386,867,558.80 : x
  2. Step 2: Convert to fraction form
    434,484,672.40/651,727,008.60 = 386,867,558.80/x
  3. Step 3: Cross multiply
    434,484,672.40x = 651,727,008.60 × 386,867,558.80
  4. Step 4: Simplify right side
    434,484,672.40x = 252,132,036,821,108,608
  5. Step 5: Solve for x
    x = 252,132,036,821,108,608/434,484,672.40
  6. Step 6: Final answer
    x = 580,301,338.20

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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.