Home / 884,976,007.40-1,327,464,011.10-612,654,266.60

Finding the Fourth Proportional to 884,976,007.40, 1,327,464,011.10 and 612,654,266.60

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Solution

The fourth proportional to 884,976,007.40, 1,327,464,011.10 and 612,654,266.60 is: 918,981,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,976,007.40 : 1,327,464,011.10 = 612,654,266.60 : x
  2. Step 2: Convert to fraction form
    884,976,007.40/1,327,464,011.10 = 612,654,266.60/x
  3. Step 3: Cross multiply
    884,976,007.40x = 1,327,464,011.10 × 612,654,266.60
  4. Step 4: Simplify right side
    884,976,007.40x = 813,276,490,158,364,672
  5. Step 5: Solve for x
    x = 813,276,490,158,364,672/884,976,007.40
  6. Step 6: Final answer
    x = 918,981,399.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.