Home / 310,986,712,359.21-466,480,068,538.86-87,396,662,645.10

Finding the Fourth Proportional to 310,986,712,359.21, 466,480,068,538.86 and 87,396,662,645.10

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Solution

The fourth proportional to 310,986,712,359.21, 466,480,068,538.86 and 87,396,662,645.10 is: 131,094,993,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,986,712,359.21 : 466,480,068,538.86 = 87,396,662,645.10 : x
  2. Step 2: Convert to fraction form
    310,986,712,359.21/466,480,068,538.86 = 87,396,662,645.10/x
  3. Step 3: Cross multiply
    310,986,712,359.21x = 466,480,068,538.86 × 87,396,662,645.10
  4. Step 4: Simplify right side
    310,986,712,359.21x = 40,768,801,180,753,873,338,368
  5. Step 5: Solve for x
    x = 40,768,801,180,753,873,338,368/310,986,712,359.21
  6. Step 6: Final answer
    x = 131,094,993,967.66

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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.