Home / 790,899,254.40-1,186,348,881.60-532,238,390.40

Finding the Fourth Proportional to 790,899,254.40, 1,186,348,881.60 and 532,238,390.40

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Solution

The fourth proportional to 790,899,254.40, 1,186,348,881.60 and 532,238,390.40 is: 798,357,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,899,254.40 : 1,186,348,881.60 = 532,238,390.40 : x
  2. Step 2: Convert to fraction form
    790,899,254.40/1,186,348,881.60 = 532,238,390.40/x
  3. Step 3: Cross multiply
    790,899,254.40x = 1,186,348,881.60 × 532,238,390.40
  4. Step 4: Simplify right side
    790,899,254.40x = 631,420,419,195,624,064
  5. Step 5: Solve for x
    x = 631,420,419,195,624,064/790,899,254.40
  6. Step 6: Final answer
    x = 798,357,585.60

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Double scale
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Similar ratio
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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.