Home / 768,730,216.59-1,153,291,957.98-223,471,750.59

Finding the Fourth Proportional to 768,730,216.59, 1,153,291,957.98 and 223,471,750.59

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Solution

The fourth proportional to 768,730,216.59, 1,153,291,957.98 and 223,471,750.59 is: 335,264,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,730,216.59 : 1,153,291,957.98 = 223,471,750.59 : x
  2. Step 2: Convert to fraction form
    768,730,216.59/1,153,291,957.98 = 223,471,750.59/x
  3. Step 3: Cross multiply
    768,730,216.59x = 1,153,291,957.98 × 223,471,750.59
  4. Step 4: Simplify right side
    768,730,216.59x = 257,728,172,791,159,328
  5. Step 5: Solve for x
    x = 257,728,172,791,159,328/768,730,216.59
  6. Step 6: Final answer
    x = 335,264,787.61

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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.