Home / 672,708,979,094.67-928,344,179,483.01-383,691,871,739.79

Finding the Fourth Proportional to 672,708,979,094.67, 928,344,179,483.01 and 383,691,871,739.79

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Solution

The fourth proportional to 672,708,979,094.67, 928,344,179,483.01 and 383,691,871,739.79 is: 529,498,084,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,708,979,094.67 : 928,344,179,483.01 = 383,691,871,739.79 : x
  2. Step 2: Convert to fraction form
    672,708,979,094.67/928,344,179,483.01 = 383,691,871,739.79/x
  3. Step 3: Cross multiply
    672,708,979,094.67x = 928,344,179,483.01 × 383,691,871,739.79
  4. Step 4: Simplify right side
    672,708,979,094.67x = 356,198,115,844,575,673,188,352
  5. Step 5: Solve for x
    x = 356,198,115,844,575,673,188,352/672,708,979,094.67
  6. Step 6: Final answer
    x = 529,498,084,482.16

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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.