Home / 723,096,048,726.05-997,872,710,126.15-397,935,340,536.69

Finding the Fourth Proportional to 723,096,048,726.05, 997,872,710,126.15 and 397,935,340,536.69

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Solution

The fourth proportional to 723,096,048,726.05, 997,872,710,126.15 and 397,935,340,536.69 is: 549,150,859,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,096,048,726.05 : 997,872,710,126.15 = 397,935,340,536.69 : x
  2. Step 2: Convert to fraction form
    723,096,048,726.05/997,872,710,126.15 = 397,935,340,536.69/x
  3. Step 3: Cross multiply
    723,096,048,726.05x = 997,872,710,126.15 × 397,935,340,536.69
  4. Step 4: Simplify right side
    723,096,048,726.05x = 397,088,816,716,319,255,691,264
  5. Step 5: Solve for x
    x = 397,088,816,716,319,255,691,264/723,096,048,726.05
  6. Step 6: Final answer
    x = 549,150,859,579.32

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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.