Home / 771,000,356.76-1,156,065,934.32-253,291,792.20

Finding the Fourth Proportional to 771,000,356.76, 1,156,065,934.32 and 253,291,792.20

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Solution

The fourth proportional to 771,000,356.76, 1,156,065,934.32 and 253,291,792.20 is: 379,794,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,000,356.76 : 1,156,065,934.32 = 253,291,792.20 : x
  2. Step 2: Convert to fraction form
    771,000,356.76/1,156,065,934.32 = 253,291,792.20/x
  3. Step 3: Cross multiply
    771,000,356.76x = 1,156,065,934.32 × 253,291,792.20
  4. Step 4: Simplify right side
    771,000,356.76x = 292,822,012,405,280,256
  5. Step 5: Solve for x
    x = 292,822,012,405,280,256/771,000,356.76
  6. Step 6: Final answer
    x = 379,794,911.69

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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.