Home / 732,549,461.40-1,098,965,909.70-214,996,786.20

Finding the Fourth Proportional to 732,549,461.40, 1,098,965,909.70 and 214,996,786.20

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Solution

The fourth proportional to 732,549,461.40, 1,098,965,909.70 and 214,996,786.20 is: 322,536,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,549,461.40 : 1,098,965,909.70 = 214,996,786.20 : x
  2. Step 2: Convert to fraction form
    732,549,461.40/1,098,965,909.70 = 214,996,786.20/x
  3. Step 3: Cross multiply
    732,549,461.40x = 1,098,965,909.70 × 214,996,786.20
  4. Step 4: Simplify right side
    732,549,461.40x = 236,274,138,728,859,392
  5. Step 5: Solve for x
    x = 236,274,138,728,859,392/732,549,461.40
  6. Step 6: Final answer
    x = 322,536,772.16

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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.