Home / 991,318,706.40-1,485,702,601.20-602,729,047.20

Finding the Fourth Proportional to 991,318,706.40, 1,485,702,601.20 and 602,729,047.20

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Solution

The fourth proportional to 991,318,706.40, 1,485,702,601.20 and 602,729,047.20 is: 903,318,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,318,706.40 : 1,485,702,601.20 = 602,729,047.20 : x
  2. Step 2: Convert to fraction form
    991,318,706.40/1,485,702,601.20 = 602,729,047.20/x
  3. Step 3: Cross multiply
    991,318,706.40x = 1,485,702,601.20 × 602,729,047.20
  4. Step 4: Simplify right side
    991,318,706.40x = 895,476,113,243,837,696
  5. Step 5: Solve for x
    x = 895,476,113,243,837,696/991,318,706.40
  6. Step 6: Final answer
    x = 903,318,082.73

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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.