Home / 912,384,096.80-1,368,576,145.20-298,988,333.60

Finding the Fourth Proportional to 912,384,096.80, 1,368,576,145.20 and 298,988,333.60

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Solution

The fourth proportional to 912,384,096.80, 1,368,576,145.20 and 298,988,333.60 is: 448,482,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384,096.80 : 1,368,576,145.20 = 298,988,333.60 : x
  2. Step 2: Convert to fraction form
    912,384,096.80/1,368,576,145.20 = 298,988,333.60/x
  3. Step 3: Cross multiply
    912,384,096.80x = 1,368,576,145.20 × 298,988,333.60
  4. Step 4: Simplify right side
    912,384,096.80x = 409,188,301,058,059,712
  5. Step 5: Solve for x
    x = 409,188,301,058,059,712/912,384,096.80
  6. Step 6: Final answer
    x = 448,482,500.40

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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.