Home / 719,085,510.40-1,078,628,265.60-698,930,118.40

Finding the Fourth Proportional to 719,085,510.40, 1,078,628,265.60 and 698,930,118.40

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Solution

The fourth proportional to 719,085,510.40, 1,078,628,265.60 and 698,930,118.40 is: 1,048,395,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,085,510.40 : 1,078,628,265.60 = 698,930,118.40 : x
  2. Step 2: Convert to fraction form
    719,085,510.40/1,078,628,265.60 = 698,930,118.40/x
  3. Step 3: Cross multiply
    719,085,510.40x = 1,078,628,265.60 × 698,930,118.40
  4. Step 4: Simplify right side
    719,085,510.40x = 753,885,781,385,394,560
  5. Step 5: Solve for x
    x = 753,885,781,385,394,560/719,085,510.40
  6. Step 6: Final answer
    x = 1,048,395,177.60

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1.5x scale

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.