Home / 649,572,631.40-896,427,857.49-367,357,274.45

Finding the Fourth Proportional to 649,572,631.40, 896,427,857.49 and 367,357,274.45

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Solution

The fourth proportional to 649,572,631.40, 896,427,857.49 and 367,357,274.45 is: 506,963,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,572,631.40 : 896,427,857.49 = 367,357,274.45 : x
  2. Step 2: Convert to fraction form
    649,572,631.40/896,427,857.49 = 367,357,274.45/x
  3. Step 3: Cross multiply
    649,572,631.40x = 896,427,857.49 × 367,357,274.45
  4. Step 4: Simplify right side
    649,572,631.40x = 329,309,294,466,081,344
  5. Step 5: Solve for x
    x = 329,309,294,466,081,344/649,572,631.40
  6. Step 6: Final answer
    x = 506,963,006.98

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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.