Home / 898,151,557.85-1,347,227,336.78-509,824,338.65

Finding the Fourth Proportional to 898,151,557.85, 1,347,227,336.78 and 509,824,338.65

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Solution

The fourth proportional to 898,151,557.85, 1,347,227,336.78 and 509,824,338.65 is: 764,736,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,151,557.85 : 1,347,227,336.78 = 509,824,338.65 : x
  2. Step 2: Convert to fraction form
    898,151,557.85/1,347,227,336.78 = 509,824,338.65/x
  3. Step 3: Cross multiply
    898,151,557.85x = 1,347,227,336.78 × 509,824,338.65
  4. Step 4: Simplify right side
    898,151,557.85x = 686,849,285,982,515,200
  5. Step 5: Solve for x
    x = 686,849,285,982,515,200/898,151,557.85
  6. Step 6: Final answer
    x = 764,736,507.98

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Double scale
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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.