Home / 472,392,502.20-708,588,753.30-440,107,461.45

Finding the Fourth Proportional to 472,392,502.20, 708,588,753.30 and 440,107,461.45

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Solution

The fourth proportional to 472,392,502.20, 708,588,753.30 and 440,107,461.45 is: 660,161,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,502.20 : 708,588,753.30 = 440,107,461.45 : x
  2. Step 2: Convert to fraction form
    472,392,502.20/708,588,753.30 = 440,107,461.45/x
  3. Step 3: Cross multiply
    472,392,502.20x = 708,588,753.30 × 440,107,461.45
  4. Step 4: Simplify right side
    472,392,502.20x = 311,855,197,426,883,264
  5. Step 5: Solve for x
    x = 311,855,197,426,883,264/472,392,502.20
  6. Step 6: Final answer
    x = 660,161,192.18

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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.