Home / 970,217,359.40-1,455,326,039.10-356,674,629.80

Finding the Fourth Proportional to 970,217,359.40, 1,455,326,039.10 and 356,674,629.80

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Solution

The fourth proportional to 970,217,359.40, 1,455,326,039.10 and 356,674,629.80 is: 535,011,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,217,359.40 : 1,455,326,039.10 = 356,674,629.80 : x
  2. Step 2: Convert to fraction form
    970,217,359.40/1,455,326,039.10 = 356,674,629.80/x
  3. Step 3: Cross multiply
    970,217,359.40x = 1,455,326,039.10 × 356,674,629.80
  4. Step 4: Simplify right side
    970,217,359.40x = 519,077,876,234,292,800
  5. Step 5: Solve for x
    x = 519,077,876,234,292,800/970,217,359.40
  6. Step 6: Final answer
    x = 535,011,944.70

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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.