Home / 1,298,221,709.32-1,947,353,907.66-365,566,990.60

Finding the Fourth Proportional to 1,298,221,709.32, 1,947,353,907.66 and 365,566,990.60

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Solution

The fourth proportional to 1,298,221,709.32, 1,947,353,907.66 and 365,566,990.60 is: 548,356,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,221,709.32 : 1,947,353,907.66 = 365,566,990.60 : x
  2. Step 2: Convert to fraction form
    1,298,221,709.32/1,947,353,907.66 = 365,566,990.60/x
  3. Step 3: Cross multiply
    1,298,221,709.32x = 1,947,353,907.66 × 365,566,990.60
  4. Step 4: Simplify right side
    1,298,221,709.32x = 711,888,307,656,416,512
  5. Step 5: Solve for x
    x = 711,888,307,656,416,512/1,298,221,709.32
  6. Step 6: Final answer
    x = 548,356,496.08

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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.