Home / 931,432,353.60-1,397,148,530.40-827,520,110.40

Finding the Fourth Proportional to 931,432,353.60, 1,397,148,530.40 and 827,520,110.40

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Solution

The fourth proportional to 931,432,353.60, 1,397,148,530.40 and 827,520,110.40 is: 1,241,280,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,432,353.60 : 1,397,148,530.40 = 827,520,110.40 : x
  2. Step 2: Convert to fraction form
    931,432,353.60/1,397,148,530.40 = 827,520,110.40/x
  3. Step 3: Cross multiply
    931,432,353.60x = 1,397,148,530.40 × 827,520,110.40
  4. Step 4: Simplify right side
    931,432,353.60x = 1,156,168,506,121,805,824
  5. Step 5: Solve for x
    x = 1,156,168,506,121,805,824/931,432,353.60
  6. Step 6: Final answer
    x = 1,241,280,165.60

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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.