Home / 1,223,657,354,276-1,688,652,398,765.10-667,474,601,761.20

Finding the Fourth Proportional to 1,223,657,354,276, 1,688,652,398,765.10 and 667,474,601,761.20

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Solution

The fourth proportional to 1,223,657,354,276, 1,688,652,398,765.10 and 667,474,601,761.20 is: 921,117,814,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,354,276 : 1,688,652,398,765.10 = 667,474,601,761.20 : x
  2. Step 2: Convert to fraction form
    1,223,657,354,276/1,688,652,398,765.10 = 667,474,601,761.20/x
  3. Step 3: Cross multiply
    1,223,657,354,276x = 1,688,652,398,765.10 × 667,474,601,761.20
  4. Step 4: Simplify right side
    1,223,657,354,276x = 1,127,132,587,378,830,257,160,192
  5. Step 5: Solve for x
    x = 1,127,132,587,378,830,257,160,192/1,223,657,354,276
  6. Step 6: Final answer
    x = 921,117,814,100.60

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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.