Home / 776,892,346.14-1,072,098,925.83-424,460,769.42

Finding the Fourth Proportional to 776,892,346.14, 1,072,098,925.83 and 424,460,769.42

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Solution

The fourth proportional to 776,892,346.14, 1,072,098,925.83 and 424,460,769.42 is: 585,749,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,892,346.14 : 1,072,098,925.83 = 424,460,769.42 : x
  2. Step 2: Convert to fraction form
    776,892,346.14/1,072,098,925.83 = 424,460,769.42/x
  3. Step 3: Cross multiply
    776,892,346.14x = 1,072,098,925.83 × 424,460,769.42
  4. Step 4: Simplify right side
    776,892,346.14x = 455,063,934,952,157,376
  5. Step 5: Solve for x
    x = 455,063,934,952,157,376/776,892,346.14
  6. Step 6: Final answer
    x = 585,749,025.86

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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.