Home / 1,049,111,999.80-1,573,667,999.70-322,006,233.40

Finding the Fourth Proportional to 1,049,111,999.80, 1,573,667,999.70 and 322,006,233.40

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Solution

The fourth proportional to 1,049,111,999.80, 1,573,667,999.70 and 322,006,233.40 is: 483,009,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,111,999.80 : 1,573,667,999.70 = 322,006,233.40 : x
  2. Step 2: Convert to fraction form
    1,049,111,999.80/1,573,667,999.70 = 322,006,233.40/x
  3. Step 3: Cross multiply
    1,049,111,999.80x = 1,573,667,999.70 × 322,006,233.40
  4. Step 4: Simplify right side
    1,049,111,999.80x = 506,730,905,205,509,312
  5. Step 5: Solve for x
    x = 506,730,905,205,509,312/1,049,111,999.80
  6. Step 6: Final answer
    x = 483,009,350.10

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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.