Home / 1,223,657,351,671.60-1,688,652,395,172.10-667,474,599,157.95

Finding the Fourth Proportional to 1,223,657,351,671.60, 1,688,652,395,172.10 and 667,474,599,157.95

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Solution

The fourth proportional to 1,223,657,351,671.60, 1,688,652,395,172.10 and 667,474,599,157.95 is: 921,117,810,508.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,351,671.60 : 1,688,652,395,172.10 = 667,474,599,157.95 : x
  2. Step 2: Convert to fraction form
    1,223,657,351,671.60/1,688,652,395,172.10 = 667,474,599,157.95/x
  3. Step 3: Cross multiply
    1,223,657,351,671.60x = 1,688,652,395,172.10 × 667,474,599,157.95
  4. Step 4: Simplify right side
    1,223,657,351,671.60x = 1,127,132,580,584,609,546,240,000
  5. Step 5: Solve for x
    x = 1,127,132,580,584,609,546,240,000/1,223,657,351,671.60
  6. Step 6: Final answer
    x = 921,117,810,508.69

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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.