Home / 971,938,717.63-1,340,781,295.39-590,359,211.51

Finding the Fourth Proportional to 971,938,717.63, 1,340,781,295.39 and 590,359,211.51

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Solution

The fourth proportional to 971,938,717.63, 1,340,781,295.39 and 590,359,211.51 is: 814,395,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,938,717.63 : 1,340,781,295.39 = 590,359,211.51 : x
  2. Step 2: Convert to fraction form
    971,938,717.63/1,340,781,295.39 = 590,359,211.51/x
  3. Step 3: Cross multiply
    971,938,717.63x = 1,340,781,295.39 × 590,359,211.51
  4. Step 4: Simplify right side
    971,938,717.63x = 791,542,588,353,796,864
  5. Step 5: Solve for x
    x = 791,542,588,353,796,864/971,938,717.63
  6. Step 6: Final answer
    x = 814,395,572.47

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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.