Home / 977,170,499.80-1,465,755,749.70-824,115,491.80

Finding the Fourth Proportional to 977,170,499.80, 1,465,755,749.70 and 824,115,491.80

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Solution

The fourth proportional to 977,170,499.80, 1,465,755,749.70 and 824,115,491.80 is: 1,236,173,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,170,499.80 : 1,465,755,749.70 = 824,115,491.80 : x
  2. Step 2: Convert to fraction form
    977,170,499.80/1,465,755,749.70 = 824,115,491.80/x
  3. Step 3: Cross multiply
    977,170,499.80x = 1,465,755,749.70 × 824,115,491.80
  4. Step 4: Simplify right side
    977,170,499.80x = 1,207,952,020,522,693,120
  5. Step 5: Solve for x
    x = 1,207,952,020,522,693,120/977,170,499.80
  6. Step 6: Final answer
    x = 1,236,173,237.70

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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.