Home / 663,462,666.60-995,193,999.90-622,568,281.65

Finding the Fourth Proportional to 663,462,666.60, 995,193,999.90 and 622,568,281.65

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Solution

The fourth proportional to 663,462,666.60, 995,193,999.90 and 622,568,281.65 is: 933,852,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,462,666.60 : 995,193,999.90 = 622,568,281.65 : x
  2. Step 2: Convert to fraction form
    663,462,666.60/995,193,999.90 = 622,568,281.65/x
  3. Step 3: Cross multiply
    663,462,666.60x = 995,193,999.90 × 622,568,281.65
  4. Step 4: Simplify right side
    663,462,666.60x = 619,576,218,426,133,248
  5. Step 5: Solve for x
    x = 619,576,218,426,133,248/663,462,666.60
  6. Step 6: Final answer
    x = 933,852,422.48

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Double scale
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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.