Home / 282,534,596.20-389,930,032.08-157,099,298.68

Finding the Fourth Proportional to 282,534,596.20, 389,930,032.08 and 157,099,298.68

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Solution

The fourth proportional to 282,534,596.20, 389,930,032.08 and 157,099,298.68 is: 216,814,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,534,596.20 : 389,930,032.08 = 157,099,298.68 : x
  2. Step 2: Convert to fraction form
    282,534,596.20/389,930,032.08 = 157,099,298.68/x
  3. Step 3: Cross multiply
    282,534,596.20x = 389,930,032.08 × 157,099,298.68
  4. Step 4: Simplify right side
    282,534,596.20x = 61,257,734,574,037,904
  5. Step 5: Solve for x
    x = 61,257,734,574,037,904/282,534,596.20
  6. Step 6: Final answer
    x = 216,814,986.19

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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.