Home / 970,209,704.20-1,455,314,556.30-387,655,889.80

Finding the Fourth Proportional to 970,209,704.20, 1,455,314,556.30 and 387,655,889.80

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Solution

The fourth proportional to 970,209,704.20, 1,455,314,556.30 and 387,655,889.80 is: 581,483,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,209,704.20 : 1,455,314,556.30 = 387,655,889.80 : x
  2. Step 2: Convert to fraction form
    970,209,704.20/1,455,314,556.30 = 387,655,889.80/x
  3. Step 3: Cross multiply
    970,209,704.20x = 1,455,314,556.30 × 387,655,889.80
  4. Step 4: Simplify right side
    970,209,704.20x = 564,161,259,261,368,704
  5. Step 5: Solve for x
    x = 564,161,259,261,368,704/970,209,704.20
  6. Step 6: Final answer
    x = 581,483,834.70

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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.