Home / 558,616,829.40-836,490,353.40-442,868,979.60

Finding the Fourth Proportional to 558,616,829.40, 836,490,353.40 and 442,868,979.60

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Solution

The fourth proportional to 558,616,829.40, 836,490,353.40 and 442,868,979.60 is: 663,165,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,616,829.40 : 836,490,353.40 = 442,868,979.60 : x
  2. Step 2: Convert to fraction form
    558,616,829.40/836,490,353.40 = 442,868,979.60/x
  3. Step 3: Cross multiply
    558,616,829.40x = 836,490,353.40 × 442,868,979.60
  4. Step 4: Simplify right side
    558,616,829.40x = 370,455,629,255,501,376
  5. Step 5: Solve for x
    x = 370,455,629,255,501,376/558,616,829.40
  6. Step 6: Final answer
    x = 663,165,894.33

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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.