Home / 11,113,527,728.40-16,655,958,869.40-8,515,721,648.40

Finding the Fourth Proportional to 11,113,527,728.40, 16,655,958,869.40 and 8,515,721,648.40

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Solution

The fourth proportional to 11,113,527,728.40, 16,655,958,869.40 and 8,515,721,648.40 is: 12,762,600,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113,527,728.40 : 16,655,958,869.40 = 8,515,721,648.40 : x
  2. Step 2: Convert to fraction form
    11,113,527,728.40/16,655,958,869.40 = 8,515,721,648.40/x
  3. Step 3: Cross multiply
    11,113,527,728.40x = 16,655,958,869.40 × 8,515,721,648.40
  4. Step 4: Simplify right side
    11,113,527,728.40x = 141,837,509,519,009,562,624
  5. Step 5: Solve for x
    x = 141,837,509,519,009,562,624/11,113,527,728.40
  6. Step 6: Final answer
    x = 12,762,600,047.92

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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.