Home / 887,595,320.10-1,331,392,980.15-370,396,938.90

Finding the Fourth Proportional to 887,595,320.10, 1,331,392,980.15 and 370,396,938.90

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Solution

The fourth proportional to 887,595,320.10, 1,331,392,980.15 and 370,396,938.90 is: 555,595,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,595,320.10 : 1,331,392,980.15 = 370,396,938.90 : x
  2. Step 2: Convert to fraction form
    887,595,320.10/1,331,392,980.15 = 370,396,938.90/x
  3. Step 3: Cross multiply
    887,595,320.10x = 1,331,392,980.15 × 370,396,938.90
  4. Step 4: Simplify right side
    887,595,320.10x = 493,143,884,320,508,480
  5. Step 5: Solve for x
    x = 493,143,884,320,508,480/887,595,320.10
  6. Step 6: Final answer
    x = 555,595,408.35

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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.