Home / 945,606,649.20-1,417,215,580.20-459,886,585.20

Finding the Fourth Proportional to 945,606,649.20, 1,417,215,580.20 and 459,886,585.20

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Solution

The fourth proportional to 945,606,649.20, 1,417,215,580.20 and 459,886,585.20 is: 689,248,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,606,649.20 : 1,417,215,580.20 = 459,886,585.20 : x
  2. Step 2: Convert to fraction form
    945,606,649.20/1,417,215,580.20 = 459,886,585.20/x
  3. Step 3: Cross multiply
    945,606,649.20x = 1,417,215,580.20 × 459,886,585.20
  4. Step 4: Simplify right side
    945,606,649.20x = 651,758,433,670,414,720
  5. Step 5: Solve for x
    x = 651,758,433,670,414,720/945,606,649.20
  6. Step 6: Final answer
    x = 689,248,996.10

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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.