Home / 1,099,202,613.60-1,648,803,920.40-372,191,325.60

Finding the Fourth Proportional to 1,099,202,613.60, 1,648,803,920.40 and 372,191,325.60

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Solution

The fourth proportional to 1,099,202,613.60, 1,648,803,920.40 and 372,191,325.60 is: 558,286,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,202,613.60 : 1,648,803,920.40 = 372,191,325.60 : x
  2. Step 2: Convert to fraction form
    1,099,202,613.60/1,648,803,920.40 = 372,191,325.60/x
  3. Step 3: Cross multiply
    1,099,202,613.60x = 1,648,803,920.40 × 372,191,325.60
  4. Step 4: Simplify right side
    1,099,202,613.60x = 613,670,516,788,152,960
  5. Step 5: Solve for x
    x = 613,670,516,788,152,960/1,099,202,613.60
  6. Step 6: Final answer
    x = 558,286,988.40

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Double scale
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Similar ratio
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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.