Home / 765,150,977.96-1,056,234,159.64-514,400,795.72

Finding the Fourth Proportional to 765,150,977.96, 1,056,234,159.64 and 514,400,795.72

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Solution

The fourth proportional to 765,150,977.96, 1,056,234,159.64 and 514,400,795.72 is: 710,092,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,150,977.96 : 1,056,234,159.64 = 514,400,795.72 : x
  2. Step 2: Convert to fraction form
    765,150,977.96/1,056,234,159.64 = 514,400,795.72/x
  3. Step 3: Cross multiply
    765,150,977.96x = 1,056,234,159.64 × 514,400,795.72
  4. Step 4: Simplify right side
    765,150,977.96x = 543,327,692,182,855,232
  5. Step 5: Solve for x
    x = 543,327,692,182,855,232/765,150,977.96
  6. Step 6: Final answer
    x = 710,092,135.85

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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.