Home / 995,040,441.60-1,373,596,178.88-642,788,224.32

Finding the Fourth Proportional to 995,040,441.60, 1,373,596,178.88 and 642,788,224.32

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Solution

The fourth proportional to 995,040,441.60, 1,373,596,178.88 and 642,788,224.32 is: 887,332,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,040,441.60 : 1,373,596,178.88 = 642,788,224.32 : x
  2. Step 2: Convert to fraction form
    995,040,441.60/1,373,596,178.88 = 642,788,224.32/x
  3. Step 3: Cross multiply
    995,040,441.60x = 1,373,596,178.88 × 642,788,224.32
  4. Step 4: Simplify right side
    995,040,441.60x = 882,931,448,755,012,480
  5. Step 5: Solve for x
    x = 882,931,448,755,012,480/995,040,441.60
  6. Step 6: Final answer
    x = 887,332,224.74

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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.