Home / 651,141,154.35-898,575,868.04-353,784,562.11

Finding the Fourth Proportional to 651,141,154.35, 898,575,868.04 and 353,784,562.11

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Solution

The fourth proportional to 651,141,154.35, 898,575,868.04 and 353,784,562.11 is: 488,223,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,141,154.35 : 898,575,868.04 = 353,784,562.11 : x
  2. Step 2: Convert to fraction form
    651,141,154.35/898,575,868.04 = 353,784,562.11/x
  3. Step 3: Cross multiply
    651,141,154.35x = 898,575,868.04 × 353,784,562.11
  4. Step 4: Simplify right side
    651,141,154.35x = 317,902,269,995,375,616
  5. Step 5: Solve for x
    x = 317,902,269,995,375,616/651,141,154.35
  6. Step 6: Final answer
    x = 488,223,279.81

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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.