Home / 1,109,600,847.76-1,530,668,621.12-686,079,122.08

Finding the Fourth Proportional to 1,109,600,847.76, 1,530,668,621.12 and 686,079,122.08

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Solution

The fourth proportional to 1,109,600,847.76, 1,530,668,621.12 and 686,079,122.08 is: 946,430,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,600,847.76 : 1,530,668,621.12 = 686,079,122.08 : x
  2. Step 2: Convert to fraction form
    1,109,600,847.76/1,530,668,621.12 = 686,079,122.08/x
  3. Step 3: Cross multiply
    1,109,600,847.76x = 1,530,668,621.12 × 686,079,122.08
  4. Step 4: Simplify right side
    1,109,600,847.76x = 1,050,159,783,773,413,760
  5. Step 5: Solve for x
    x = 1,050,159,783,773,413,760/1,109,600,847.76
  6. Step 6: Final answer
    x = 946,430,228.40

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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.