Home / 1,223,657,353,953.60-1,688,652,398,320.30-667,474,601,438.64

Finding the Fourth Proportional to 1,223,657,353,953.60, 1,688,652,398,320.30 and 667,474,601,438.64

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Solution

The fourth proportional to 1,223,657,353,953.60, 1,688,652,398,320.30 and 667,474,601,438.64 is: 921,117,813,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,953.60 : 1,688,652,398,320.30 = 667,474,601,438.64 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,953.60/1,688,652,398,320.30 = 667,474,601,438.64/x
  3. Step 3: Cross multiply
    1,223,657,353,953.60x = 1,688,652,398,320.30 × 667,474,601,438.64
  4. Step 4: Simplify right side
    1,223,657,353,953.60x = 1,127,132,586,537,245,911,023,616
  5. Step 5: Solve for x
    x = 1,127,132,586,537,245,911,023,616/1,223,657,353,953.60
  6. Step 6: Final answer
    x = 921,117,813,655.53

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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.