Home / 7,571,921,036.93-11,357,866,324.31-7,111,145,828.71

Finding the Fourth Proportional to 7,571,921,036.93, 11,357,866,324.31 and 7,111,145,828.71

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Solution

The fourth proportional to 7,571,921,036.93, 11,357,866,324.31 and 7,111,145,828.71 is: 10,666,704,438.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571,921,036.93 : 11,357,866,324.31 = 7,111,145,828.71 : x
  2. Step 2: Convert to fraction form
    7,571,921,036.93/11,357,866,324.31 = 7,111,145,828.71/x
  3. Step 3: Cross multiply
    7,571,921,036.93x = 11,357,866,324.31 × 7,111,145,828.71
  4. Step 4: Simplify right side
    7,571,921,036.93x = 80,767,443,735,139,778,560
  5. Step 5: Solve for x
    x = 80,767,443,735,139,778,560/7,571,921,036.93
  6. Step 6: Final answer
    x = 10,666,704,438.84

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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.