Home / 479,646,666-719,538,630.48-147,681,763.20

Finding the Fourth Proportional to 479,646,666, 719,538,630.48 and 147,681,763.20

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Solution

The fourth proportional to 479,646,666, 719,538,630.48 and 147,681,763.20 is: 221,543,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,646,666 : 719,538,630.48 = 147,681,763.20 : x
  2. Step 2: Convert to fraction form
    479,646,666/719,538,630.48 = 147,681,763.20/x
  3. Step 3: Cross multiply
    479,646,666x = 719,538,630.48 × 147,681,763.20
  4. Step 4: Simplify right side
    479,646,666x = 106,262,733,639,799,664
  5. Step 5: Solve for x
    x = 106,262,733,639,799,664/479,646,666
  6. Step 6: Final answer
    x = 221,543,776.23

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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.