Home / 979,798,532.20-1,469,697,798.30-972,996,087.40

Finding the Fourth Proportional to 979,798,532.20, 1,469,697,798.30 and 972,996,087.40

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Solution

The fourth proportional to 979,798,532.20, 1,469,697,798.30 and 972,996,087.40 is: 1,459,494,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,798,532.20 : 1,469,697,798.30 = 972,996,087.40 : x
  2. Step 2: Convert to fraction form
    979,798,532.20/1,469,697,798.30 = 972,996,087.40/x
  3. Step 3: Cross multiply
    979,798,532.20x = 1,469,697,798.30 × 972,996,087.40
  4. Step 4: Simplify right side
    979,798,532.20x = 1,430,010,207,406,294,272
  5. Step 5: Solve for x
    x = 1,430,010,207,406,294,272/979,798,532.20
  6. Step 6: Final answer
    x = 1,459,494,131.10

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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.