Home / 1,021,367,363.40-1,532,051,045.10-408,046,249.80

Finding the Fourth Proportional to 1,021,367,363.40, 1,532,051,045.10 and 408,046,249.80

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Solution

The fourth proportional to 1,021,367,363.40, 1,532,051,045.10 and 408,046,249.80 is: 612,069,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,367,363.40 : 1,532,051,045.10 = 408,046,249.80 : x
  2. Step 2: Convert to fraction form
    1,021,367,363.40/1,532,051,045.10 = 408,046,249.80/x
  3. Step 3: Cross multiply
    1,021,367,363.40x = 1,532,051,045.10 × 408,046,249.80
  4. Step 4: Simplify right side
    1,021,367,363.40x = 625,147,683,455,225,600
  5. Step 5: Solve for x
    x = 625,147,683,455,225,600/1,021,367,363.40
  6. Step 6: Final answer
    x = 612,069,374.70

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Double scale
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Similar ratio
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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.