Home / 723,096,051,276.01-997,872,713,640.55-397,935,343,088.20

Finding the Fourth Proportional to 723,096,051,276.01, 997,872,713,640.55 and 397,935,343,088.20

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Solution

The fourth proportional to 723,096,051,276.01, 997,872,713,640.55 and 397,935,343,088.20 is: 549,150,863,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,096,051,276.01 : 997,872,713,640.55 = 397,935,343,088.20 : x
  2. Step 2: Convert to fraction form
    723,096,051,276.01/997,872,713,640.55 = 397,935,343,088.20/x
  3. Step 3: Cross multiply
    723,096,051,276.01x = 997,872,713,640.55 × 397,935,343,088.20
  4. Step 4: Simplify right side
    723,096,051,276.01x = 397,088,820,660,905,468,493,824
  5. Step 5: Solve for x
    x = 397,088,820,660,905,468,493,824/723,096,051,276.01
  6. Step 6: Final answer
    x = 549,150,863,097.90

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Double scale
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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.