Home / 1,428,468,573.60-1,971,501,779.88-871,875,061.56

Finding the Fourth Proportional to 1,428,468,573.60, 1,971,501,779.88 and 871,875,061.56

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Solution

The fourth proportional to 1,428,468,573.60, 1,971,501,779.88 and 871,875,061.56 is: 1,203,318,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,468,573.60 : 1,971,501,779.88 = 871,875,061.56 : x
  2. Step 2: Convert to fraction form
    1,428,468,573.60/1,971,501,779.88 = 871,875,061.56/x
  3. Step 3: Cross multiply
    1,428,468,573.60x = 1,971,501,779.88 × 871,875,061.56
  4. Step 4: Simplify right side
    1,428,468,573.60x = 1,718,903,235,698,524,672
  5. Step 5: Solve for x
    x = 1,718,903,235,698,524,672/1,428,468,573.60
  6. Step 6: Final answer
    x = 1,203,318,902.12

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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.