Home / 739,911,498.40-1,020,948,076.59-422,226,697.42

Finding the Fourth Proportional to 739,911,498.40, 1,020,948,076.59 and 422,226,697.42

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Solution

The fourth proportional to 739,911,498.40, 1,020,948,076.59 and 422,226,697.42 is: 582,598,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,911,498.40 : 1,020,948,076.59 = 422,226,697.42 : x
  2. Step 2: Convert to fraction form
    739,911,498.40/1,020,948,076.59 = 422,226,697.42/x
  3. Step 3: Cross multiply
    739,911,498.40x = 1,020,948,076.59 × 422,226,697.42
  4. Step 4: Simplify right side
    739,911,498.40x = 431,071,534,615,896,960
  5. Step 5: Solve for x
    x = 431,071,534,615,896,960/739,911,498.40
  6. Step 6: Final answer
    x = 582,598,777.76

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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.