Home / 971,938,715.51-1,340,781,292.46-590,359,209.38

Finding the Fourth Proportional to 971,938,715.51, 1,340,781,292.46 and 590,359,209.38

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Solution

The fourth proportional to 971,938,715.51, 1,340,781,292.46 and 590,359,209.38 is: 814,395,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,938,715.51 : 1,340,781,292.46 = 590,359,209.38 : x
  2. Step 2: Convert to fraction form
    971,938,715.51/1,340,781,292.46 = 590,359,209.38/x
  3. Step 3: Cross multiply
    971,938,715.51x = 1,340,781,292.46 × 590,359,209.38
  4. Step 4: Simplify right side
    971,938,715.51x = 791,542,583,763,552,256
  5. Step 5: Solve for x
    x = 791,542,583,763,552,256/971,938,715.51
  6. Step 6: Final answer
    x = 814,395,569.53

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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.