Home / 1,223,657,353,948.10-1,688,652,398,312.90-667,474,601,433.10

Finding the Fourth Proportional to 1,223,657,353,948.10, 1,688,652,398,312.90 and 667,474,601,433.10

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Solution

The fourth proportional to 1,223,657,353,948.10, 1,688,652,398,312.90 and 667,474,601,433.10 is: 921,117,813,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,657,353,948.10 : 1,688,652,398,312.90 = 667,474,601,433.10 : x
  2. Step 2: Convert to fraction form
    1,223,657,353,948.10/1,688,652,398,312.90 = 667,474,601,433.10/x
  3. Step 3: Cross multiply
    1,223,657,353,948.10x = 1,688,652,398,312.90 × 667,474,601,433.10
  4. Step 4: Simplify right side
    1,223,657,353,948.10x = 1,127,132,586,522,951,186,120,704
  5. Step 5: Solve for x
    x = 1,127,132,586,522,951,186,120,704/1,223,657,353,948.10
  6. Step 6: Final answer
    x = 921,117,813,647.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.