Home / 930,663,621.60-1,395,995,432.40-787,336,389.60

Finding the Fourth Proportional to 930,663,621.60, 1,395,995,432.40 and 787,336,389.60

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Solution

The fourth proportional to 930,663,621.60, 1,395,995,432.40 and 787,336,389.60 is: 1,181,004,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,663,621.60 : 1,395,995,432.40 = 787,336,389.60 : x
  2. Step 2: Convert to fraction form
    930,663,621.60/1,395,995,432.40 = 787,336,389.60/x
  3. Step 3: Cross multiply
    930,663,621.60x = 1,395,995,432.40 × 787,336,389.60
  4. Step 4: Simplify right side
    930,663,621.60x = 1,099,118,003,643,906,944
  5. Step 5: Solve for x
    x = 1,099,118,003,643,906,944/930,663,621.60
  6. Step 6: Final answer
    x = 1,181,004,584.40

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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.