Home / 578,799,425.60-868,199,138.40-349,216,913.60

Finding the Fourth Proportional to 578,799,425.60, 868,199,138.40 and 349,216,913.60

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Solution

The fourth proportional to 578,799,425.60, 868,199,138.40 and 349,216,913.60 is: 523,825,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,799,425.60 : 868,199,138.40 = 349,216,913.60 : x
  2. Step 2: Convert to fraction form
    578,799,425.60/868,199,138.40 = 349,216,913.60/x
  3. Step 3: Cross multiply
    578,799,425.60x = 868,199,138.40 × 349,216,913.60
  4. Step 4: Simplify right side
    578,799,425.60x = 303,189,823,502,227,264
  5. Step 5: Solve for x
    x = 303,189,823,502,227,264/578,799,425.60
  6. Step 6: Final answer
    x = 523,825,370.40

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Double scale
Find fourth proportional to 578,799,426.60, 868,199,139.90 and 349,216,914.60
Similar ratio
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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.