Home / 1,223,657,353,938.20-1,688,652,398,299.10-667,474,601,423.40

Finding the Fourth Proportional to 1,223,657,353,938.20, 1,688,652,398,299.10 and 667,474,601,423.40

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Solution

The fourth proportional to 1,223,657,353,938.20, 1,688,652,398,299.10 and 667,474,601,423.40 is: 921,117,813,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,938.20 : 1,688,652,398,299.10 = 667,474,601,423.40 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,938.20/1,688,652,398,299.10 = 667,474,601,423.40/x
  3. Step 3: Cross multiply
    1,223,657,353,938.20x = 1,688,652,398,299.10 × 667,474,601,423.40
  4. Step 4: Simplify right side
    1,223,657,353,938.20x = 1,127,132,586,497,360,428,793,856
  5. Step 5: Solve for x
    x = 1,127,132,586,497,360,428,793,856/1,223,657,353,938.20
  6. Step 6: Final answer
    x = 921,117,813,634.52

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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.