Home / 871,268,763.60-1,306,903,145.40-673,997,864.40

Finding the Fourth Proportional to 871,268,763.60, 1,306,903,145.40 and 673,997,864.40

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Solution

The fourth proportional to 871,268,763.60, 1,306,903,145.40 and 673,997,864.40 is: 1,010,996,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,268,763.60 : 1,306,903,145.40 = 673,997,864.40 : x
  2. Step 2: Convert to fraction form
    871,268,763.60/1,306,903,145.40 = 673,997,864.40/x
  3. Step 3: Cross multiply
    871,268,763.60x = 1,306,903,145.40 × 673,997,864.40
  4. Step 4: Simplify right side
    871,268,763.60x = 880,849,928,977,242,752
  5. Step 5: Solve for x
    x = 880,849,928,977,242,752/871,268,763.60
  6. Step 6: Final answer
    x = 1,010,996,796.60

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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.