Home / 484,513,155.70-726,769,733.55-430,943,902.90

Finding the Fourth Proportional to 484,513,155.70, 726,769,733.55 and 430,943,902.90

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Solution

The fourth proportional to 484,513,155.70, 726,769,733.55 and 430,943,902.90 is: 646,415,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,513,155.70 : 726,769,733.55 = 430,943,902.90 : x
  2. Step 2: Convert to fraction form
    484,513,155.70/726,769,733.55 = 430,943,902.90/x
  3. Step 3: Cross multiply
    484,513,155.70x = 726,769,733.55 × 430,943,902.90
  4. Step 4: Simplify right side
    484,513,155.70x = 313,196,985,485,630,016
  5. Step 5: Solve for x
    x = 313,196,985,485,630,016/484,513,155.70
  6. Step 6: Final answer
    x = 646,415,854.35

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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.