Home / 1,068,649,934.34-1,601,856,117.32-447,221,210.78

Finding the Fourth Proportional to 1,068,649,934.34, 1,601,856,117.32 and 447,221,210.78

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Solution

The fourth proportional to 1,068,649,934.34, 1,601,856,117.32 and 447,221,210.78 is: 670,363,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,649,934.34 : 1,601,856,117.32 = 447,221,210.78 : x
  2. Step 2: Convert to fraction form
    1,068,649,934.34/1,601,856,117.32 = 447,221,210.78/x
  3. Step 3: Cross multiply
    1,068,649,934.34x = 1,601,856,117.32 × 447,221,210.78
  4. Step 4: Simplify right side
    1,068,649,934.34x = 716,384,032,283,200,000
  5. Step 5: Solve for x
    x = 716,384,032,283,200,000/1,068,649,934.34
  6. Step 6: Final answer
    x = 670,363,614.19

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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.