Home / 719,583,862.50-1,079,805,676.95-661,039,792.74

Finding the Fourth Proportional to 719,583,862.50, 1,079,805,676.95 and 661,039,792.74

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Solution

The fourth proportional to 719,583,862.50, 1,079,805,676.95 and 661,039,792.74 is: 991,954,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,583,862.50 : 1,079,805,676.95 = 661,039,792.74 : x
  2. Step 2: Convert to fraction form
    719,583,862.50/1,079,805,676.95 = 661,039,792.74/x
  3. Step 3: Cross multiply
    719,583,862.50x = 1,079,805,676.95 × 661,039,792.74
  4. Step 4: Simplify right side
    719,583,862.50x = 713,794,520,890,503,424
  5. Step 5: Solve for x
    x = 713,794,520,890,503,424/719,583,862.50
  6. Step 6: Final answer
    x = 991,954,597.77

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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.