Home / 340,156,202.40-469,164,941.40-256,527,857.78

Finding the Fourth Proportional to 340,156,202.40, 469,164,941.40 and 256,527,857.78

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Solution

The fourth proportional to 340,156,202.40, 469,164,941.40 and 256,527,857.78 is: 353,819,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,156,202.40 : 469,164,941.40 = 256,527,857.78 : x
  2. Step 2: Convert to fraction form
    340,156,202.40/469,164,941.40 = 256,527,857.78/x
  3. Step 3: Cross multiply
    340,156,202.40x = 469,164,941.40 × 256,527,857.78
  4. Step 4: Simplify right side
    340,156,202.40x = 120,353,877,363,349,776
  5. Step 5: Solve for x
    x = 120,353,877,363,349,776/340,156,202.40
  6. Step 6: Final answer
    x = 353,819,440.93

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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.