Home / 708,588,649.58-1,062,882,974.36-665,506,499.18

Finding the Fourth Proportional to 708,588,649.58, 1,062,882,974.36 and 665,506,499.18

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Solution

The fourth proportional to 708,588,649.58, 1,062,882,974.36 and 665,506,499.18 is: 998,259,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,649.58 : 1,062,882,974.36 = 665,506,499.18 : x
  2. Step 2: Convert to fraction form
    708,588,649.58/1,062,882,974.36 = 665,506,499.18/x
  3. Step 3: Cross multiply
    708,588,649.58x = 1,062,882,974.36 × 665,506,499.18
  4. Step 4: Simplify right side
    708,588,649.58x = 707,355,527,300,698,624
  5. Step 5: Solve for x
    x = 707,355,527,300,698,624/708,588,649.58
  6. Step 6: Final answer
    x = 998,259,748.76

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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.