Home / 472,403,935.60-708,605,903.40-149,287,807.60

Finding the Fourth Proportional to 472,403,935.60, 708,605,903.40 and 149,287,807.60

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Solution

The fourth proportional to 472,403,935.60, 708,605,903.40 and 149,287,807.60 is: 223,931,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,403,935.60 : 708,605,903.40 = 149,287,807.60 : x
  2. Step 2: Convert to fraction form
    472,403,935.60/708,605,903.40 = 149,287,807.60/x
  3. Step 3: Cross multiply
    472,403,935.60x = 708,605,903.40 × 149,287,807.60
  4. Step 4: Simplify right side
    472,403,935.60x = 105,786,221,771,003,376
  5. Step 5: Solve for x
    x = 105,786,221,771,003,376/472,403,935.60
  6. Step 6: Final answer
    x = 223,931,711.40

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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.