Home / 939,388,019.92-1,409,073,057.48-571,024,677.16

Finding the Fourth Proportional to 939,388,019.92, 1,409,073,057.48 and 571,024,677.16

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Solution

The fourth proportional to 939,388,019.92, 1,409,073,057.48 and 571,024,677.16 is: 856,531,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,388,019.92 : 1,409,073,057.48 = 571,024,677.16 : x
  2. Step 2: Convert to fraction form
    939,388,019.92/1,409,073,057.48 = 571,024,677.16/x
  3. Step 3: Cross multiply
    939,388,019.92x = 1,409,073,057.48 × 571,024,677.16
  4. Step 4: Simplify right side
    939,388,019.92x = 804,615,487,742,371,072
  5. Step 5: Solve for x
    x = 804,615,487,742,371,072/939,388,019.92
  6. Step 6: Final answer
    x = 856,531,561.70

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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.