Home / 892,301,412.60-1,338,452,118.90-720,114,528.60

Finding the Fourth Proportional to 892,301,412.60, 1,338,452,118.90 and 720,114,528.60

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Solution

The fourth proportional to 892,301,412.60, 1,338,452,118.90 and 720,114,528.60 is: 1,080,171,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,301,412.60 : 1,338,452,118.90 = 720,114,528.60 : x
  2. Step 2: Convert to fraction form
    892,301,412.60/1,338,452,118.90 = 720,114,528.60/x
  3. Step 3: Cross multiply
    892,301,412.60x = 1,338,452,118.90 × 720,114,528.60
  4. Step 4: Simplify right side
    892,301,412.60x = 963,838,816,655,344,768
  5. Step 5: Solve for x
    x = 963,838,816,655,344,768/892,301,412.60
  6. Step 6: Final answer
    x = 1,080,171,792.90

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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.