Home / 971,938,715.88-1,340,781,292.97-590,359,209.76

Finding the Fourth Proportional to 971,938,715.88, 1,340,781,292.97 and 590,359,209.76

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Solution

The fourth proportional to 971,938,715.88, 1,340,781,292.97 and 590,359,209.76 is: 814,395,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,938,715.88 : 1,340,781,292.97 = 590,359,209.76 : x
  2. Step 2: Convert to fraction form
    971,938,715.88/1,340,781,292.97 = 590,359,209.76/x
  3. Step 3: Cross multiply
    971,938,715.88x = 1,340,781,292.97 × 590,359,209.76
  4. Step 4: Simplify right side
    971,938,715.88x = 791,542,584,576,884,352
  5. Step 5: Solve for x
    x = 791,542,584,576,884,352/971,938,715.88
  6. Step 6: Final answer
    x = 814,395,570.05

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1.5x scale

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.