Home / 143,386,512,267.20-197,868,199,563.69-79,155,857,400.26

Finding the Fourth Proportional to 143,386,512,267.20, 197,868,199,563.69 and 79,155,857,400.26

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Solution

The fourth proportional to 143,386,512,267.20, 197,868,199,563.69 and 79,155,857,400.26 is: 109,232,219,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,386,512,267.20 : 197,868,199,563.69 = 79,155,857,400.26 : x
  2. Step 2: Convert to fraction form
    143,386,512,267.20/197,868,199,563.69 = 79,155,857,400.26/x
  3. Step 3: Cross multiply
    143,386,512,267.20x = 197,868,199,563.69 × 79,155,857,400.26
  4. Step 4: Simplify right side
    143,386,512,267.20x = 15,662,426,988,708,645,306,368
  5. Step 5: Solve for x
    x = 15,662,426,988,708,645,306,368/143,386,512,267.20
  6. Step 6: Final answer
    x = 109,232,219,551.60

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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.