Home / 720,254,253.02-993,646,507.10-482,176,138.16

Finding the Fourth Proportional to 720,254,253.02, 993,646,507.10 and 482,176,138.16

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Solution

The fourth proportional to 720,254,253.02, 993,646,507.10 and 482,176,138.16 is: 665,199,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,254,253.02 : 993,646,507.10 = 482,176,138.16 : x
  2. Step 2: Convert to fraction form
    720,254,253.02/993,646,507.10 = 482,176,138.16/x
  3. Step 3: Cross multiply
    720,254,253.02x = 993,646,507.10 × 482,176,138.16
  4. Step 4: Simplify right side
    720,254,253.02x = 479,112,635,489,651,072
  5. Step 5: Solve for x
    x = 479,112,635,489,651,072/720,254,253.02
  6. Step 6: Final answer
    x = 665,199,314.66

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Double scale
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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.