Home / 762,765,221,240.68-1,143,750,551,828.80-359,740,479,168.20

Finding the Fourth Proportional to 762,765,221,240.68, 1,143,750,551,828.80 and 359,740,479,168.20

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Solution

The fourth proportional to 762,765,221,240.68, 1,143,750,551,828.80 and 359,740,479,168.20 is: 539,423,350,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,765,221,240.68 : 1,143,750,551,828.80 = 359,740,479,168.20 : x
  2. Step 2: Convert to fraction form
    762,765,221,240.68/1,143,750,551,828.80 = 359,740,479,168.20/x
  3. Step 3: Cross multiply
    762,765,221,240.68x = 1,143,750,551,828.80 × 359,740,479,168.20
  4. Step 4: Simplify right side
    762,765,221,240.68x = 411,453,371,563,785,685,303,296
  5. Step 5: Solve for x
    x = 411,453,371,563,785,685,303,296/762,765,221,240.68
  6. Step 6: Final answer
    x = 539,423,350,863.50

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Double scale
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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.