Home / 816,141,510.40-1,145,016,761.60-816,141,510.40

Finding the Fourth Proportional to 816,141,510.40, 1,145,016,761.60 and 816,141,510.40

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Solution

The fourth proportional to 816,141,510.40, 1,145,016,761.60 and 816,141,510.40 is: 1,145,016,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,141,510.40 : 1,145,016,761.60 = 816,141,510.40 : x
  2. Step 2: Convert to fraction form
    816,141,510.40/1,145,016,761.60 = 816,141,510.40/x
  3. Step 3: Cross multiply
    816,141,510.40x = 1,145,016,761.60 × 816,141,510.40
  4. Step 4: Simplify right side
    816,141,510.40x = 934,495,709,245,540,608
  5. Step 5: Solve for x
    x = 934,495,709,245,540,608/816,141,510.40
  6. Step 6: Final answer
    x = 1,145,016,761.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.