Home / 31,912,706,951.40-47,869,060,427.10-18,852,012,935.40

Finding the Fourth Proportional to 31,912,706,951.40, 47,869,060,427.10 and 18,852,012,935.40

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Solution

The fourth proportional to 31,912,706,951.40, 47,869,060,427.10 and 18,852,012,935.40 is: 28,278,019,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,706,951.40 : 47,869,060,427.10 = 18,852,012,935.40 : x
  2. Step 2: Convert to fraction form
    31,912,706,951.40/47,869,060,427.10 = 18,852,012,935.40/x
  3. Step 3: Cross multiply
    31,912,706,951.40x = 47,869,060,427.10 × 18,852,012,935.40
  4. Step 4: Simplify right side
    31,912,706,951.40x = 902,428,146,377,133,522,944
  5. Step 5: Solve for x
    x = 902,428,146,377,133,522,944/31,912,706,951.40
  6. Step 6: Final answer
    x = 28,278,019,403.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.