Home / 995,983,407.20-1,493,975,110.80-651,998,050.40

Finding the Fourth Proportional to 995,983,407.20, 1,493,975,110.80 and 651,998,050.40

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Solution

The fourth proportional to 995,983,407.20, 1,493,975,110.80 and 651,998,050.40 is: 977,997,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,983,407.20 : 1,493,975,110.80 = 651,998,050.40 : x
  2. Step 2: Convert to fraction form
    995,983,407.20/1,493,975,110.80 = 651,998,050.40/x
  3. Step 3: Cross multiply
    995,983,407.20x = 1,493,975,110.80 × 651,998,050.40
  4. Step 4: Simplify right side
    995,983,407.20x = 974,068,859,587,723,904
  5. Step 5: Solve for x
    x = 974,068,859,587,723,904/995,983,407.20
  6. Step 6: Final answer
    x = 977,997,075.60

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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.