Home / 475,535,513.60-656,243,762.20-266,687,172.26

Finding the Fourth Proportional to 475,535,513.60, 656,243,762.20 and 266,687,172.26

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Solution

The fourth proportional to 475,535,513.60, 656,243,762.20 and 266,687,172.26 is: 368,030,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,535,513.60 : 656,243,762.20 = 266,687,172.26 : x
  2. Step 2: Convert to fraction form
    475,535,513.60/656,243,762.20 = 266,687,172.26/x
  3. Step 3: Cross multiply
    475,535,513.60x = 656,243,762.20 × 266,687,172.26
  4. Step 4: Simplify right side
    475,535,513.60x = 175,011,793,254,381,888
  5. Step 5: Solve for x
    x = 175,011,793,254,381,888/475,535,513.60
  6. Step 6: Final answer
    x = 368,030,963.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.