Home / 676,520,074.40-1,014,780,111.60-515,276,938.40

Finding the Fourth Proportional to 676,520,074.40, 1,014,780,111.60 and 515,276,938.40

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Solution

The fourth proportional to 676,520,074.40, 1,014,780,111.60 and 515,276,938.40 is: 772,915,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,520,074.40 : 1,014,780,111.60 = 515,276,938.40 : x
  2. Step 2: Convert to fraction form
    676,520,074.40/1,014,780,111.60 = 515,276,938.40/x
  3. Step 3: Cross multiply
    676,520,074.40x = 1,014,780,111.60 × 515,276,938.40
  4. Step 4: Simplify right side
    676,520,074.40x = 522,892,789,054,458,304
  5. Step 5: Solve for x
    x = 522,892,789,054,458,304/676,520,074.40
  6. Step 6: Final answer
    x = 772,915,407.60

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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.