Home / 1,223,657,353,951.60-1,688,652,398,317.50-667,474,601,436.63

Finding the Fourth Proportional to 1,223,657,353,951.60, 1,688,652,398,317.50 and 667,474,601,436.63

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Solution

The fourth proportional to 1,223,657,353,951.60, 1,688,652,398,317.50 and 667,474,601,436.63 is: 921,117,813,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,951.60 : 1,688,652,398,317.50 = 667,474,601,436.63 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,951.60/1,688,652,398,317.50 = 667,474,601,436.63/x
  3. Step 3: Cross multiply
    1,223,657,353,951.60x = 1,688,652,398,317.50 × 667,474,601,436.63
  4. Step 4: Simplify right side
    1,223,657,353,951.60x = 1,127,132,586,531,982,697,037,824
  5. Step 5: Solve for x
    x = 1,127,132,586,531,982,697,037,824/1,223,657,353,951.60
  6. Step 6: Final answer
    x = 921,117,813,652.73

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Double scale
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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.