Home / 479,646,404.19-719,538,237.81-147,681,501.87

Finding the Fourth Proportional to 479,646,404.19, 719,538,237.81 and 147,681,501.87

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Solution

The fourth proportional to 479,646,404.19, 719,538,237.81 and 147,681,501.87 is: 221,543,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,646,404.19 : 719,538,237.81 = 147,681,501.87 : x
  2. Step 2: Convert to fraction form
    479,646,404.19/719,538,237.81 = 147,681,501.87/x
  3. Step 3: Cross multiply
    479,646,404.19x = 719,538,237.81 × 147,681,501.87
  4. Step 4: Simplify right side
    479,646,404.19x = 106,262,487,612,674,016
  5. Step 5: Solve for x
    x = 106,262,487,612,674,016/479,646,404.19
  6. Step 6: Final answer
    x = 221,543,384.22

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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.