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Finding the Fourth Proportional to 868,472,955.02, 1,198,501,936.08 and 471,995,965.10

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Solution

The fourth proportional to 868,472,955.02, 1,198,501,936.08 and 471,995,965.10 is: 651,359,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,472,955.02 : 1,198,501,936.08 = 471,995,965.10 : x
  2. Step 2: Convert to fraction form
    868,472,955.02/1,198,501,936.08 = 471,995,965.10/x
  3. Step 3: Cross multiply
    868,472,955.02x = 1,198,501,936.08 × 471,995,965.10
  4. Step 4: Simplify right side
    868,472,955.02x = 565,688,077,994,298,112
  5. Step 5: Solve for x
    x = 565,688,077,994,298,112/868,472,955.02
  6. Step 6: Final answer
    x = 651,359,463.44

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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.