Home / 1,403,945,125.60-2,105,917,688.40-995,798,437.60

Finding the Fourth Proportional to 1,403,945,125.60, 2,105,917,688.40 and 995,798,437.60

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Solution

The fourth proportional to 1,403,945,125.60, 2,105,917,688.40 and 995,798,437.60 is: 1,493,697,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,945,125.60 : 2,105,917,688.40 = 995,798,437.60 : x
  2. Step 2: Convert to fraction form
    1,403,945,125.60/2,105,917,688.40 = 995,798,437.60/x
  3. Step 3: Cross multiply
    1,403,945,125.60x = 2,105,917,688.40 × 995,798,437.60
  4. Step 4: Simplify right side
    1,403,945,125.60x = 2,097,069,543,822,923,776
  5. Step 5: Solve for x
    x = 2,097,069,543,822,923,776/1,403,945,125.60
  6. Step 6: Final answer
    x = 1,493,697,656.40

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Double scale
Find fourth proportional to 1,403,945,126.60, 2,105,917,689.90 and 995,798,438.60
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.