Home / 945,606,646.20-1,417,215,575.70-459,886,582.20

Finding the Fourth Proportional to 945,606,646.20, 1,417,215,575.70 and 459,886,582.20

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Solution

The fourth proportional to 945,606,646.20, 1,417,215,575.70 and 459,886,582.20 is: 689,248,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,606,646.20 : 1,417,215,575.70 = 459,886,582.20 : x
  2. Step 2: Convert to fraction form
    945,606,646.20/1,417,215,575.70 = 459,886,582.20/x
  3. Step 3: Cross multiply
    945,606,646.20x = 1,417,215,575.70 × 459,886,582.20
  4. Step 4: Simplify right side
    945,606,646.20x = 651,758,427,349,278,336
  5. Step 5: Solve for x
    x = 651,758,427,349,278,336/945,606,646.20
  6. Step 6: Final answer
    x = 689,248,991.61

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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.