Home / 765,678,344.24-1,056,630,740.28-417,997,832.24

Finding the Fourth Proportional to 765,678,344.24, 1,056,630,740.28 and 417,997,832.24

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Solution

The fourth proportional to 765,678,344.24, 1,056,630,740.28 and 417,997,832.24 is: 576,834,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,678,344.24 : 1,056,630,740.28 = 417,997,832.24 : x
  2. Step 2: Convert to fraction form
    765,678,344.24/1,056,630,740.28 = 417,997,832.24/x
  3. Step 3: Cross multiply
    765,678,344.24x = 1,056,630,740.28 × 417,997,832.24
  4. Step 4: Simplify right side
    765,678,344.24x = 441,669,358,915,186,432
  5. Step 5: Solve for x
    x = 441,669,358,915,186,432/765,678,344.24
  6. Step 6: Final answer
    x = 576,834,074.31

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1.5x scale

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.