Home / 787,354,225.20-1,086,527,779.56-434,922,630.84

Finding the Fourth Proportional to 787,354,225.20, 1,086,527,779.56 and 434,922,630.84

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Solution

The fourth proportional to 787,354,225.20, 1,086,527,779.56 and 434,922,630.84 is: 600,181,602.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,354,225.20 : 1,086,527,779.56 = 434,922,630.84 : x
  2. Step 2: Convert to fraction form
    787,354,225.20/1,086,527,779.56 = 434,922,630.84/x
  3. Step 3: Cross multiply
    787,354,225.20x = 1,086,527,779.56 × 434,922,630.84
  4. Step 4: Simplify right side
    787,354,225.20x = 472,555,520,366,978,752
  5. Step 5: Solve for x
    x = 472,555,520,366,978,752/787,354,225.20
  6. Step 6: Final answer
    x = 600,181,602.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.