Home / 887,595,315.60-1,331,392,973.40-370,396,934.40

Finding the Fourth Proportional to 887,595,315.60, 1,331,392,973.40 and 370,396,934.40

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Solution

The fourth proportional to 887,595,315.60, 1,331,392,973.40 and 370,396,934.40 is: 555,595,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,595,315.60 : 1,331,392,973.40 = 370,396,934.40 : x
  2. Step 2: Convert to fraction form
    887,595,315.60/1,331,392,973.40 = 370,396,934.40/x
  3. Step 3: Cross multiply
    887,595,315.60x = 1,331,392,973.40 × 370,396,934.40
  4. Step 4: Simplify right side
    887,595,315.60x = 493,143,875,829,060,736
  5. Step 5: Solve for x
    x = 493,143,875,829,060,736/887,595,315.60
  6. Step 6: Final answer
    x = 555,595,401.60

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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.