Home / 701,281,434.40-1,051,922,151.60-318,328,986.40

Finding the Fourth Proportional to 701,281,434.40, 1,051,922,151.60 and 318,328,986.40

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Solution

The fourth proportional to 701,281,434.40, 1,051,922,151.60 and 318,328,986.40 is: 477,493,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,281,434.40 : 1,051,922,151.60 = 318,328,986.40 : x
  2. Step 2: Convert to fraction form
    701,281,434.40/1,051,922,151.60 = 318,328,986.40/x
  3. Step 3: Cross multiply
    701,281,434.40x = 1,051,922,151.60 × 318,328,986.40
  4. Step 4: Simplify right side
    701,281,434.40x = 334,857,312,290,535,104
  5. Step 5: Solve for x
    x = 334,857,312,290,535,104/701,281,434.40
  6. Step 6: Final answer
    x = 477,493,479.60

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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.