Home / 19,285,081,570.76-28,931,347,660.86-7,332,404,576.13

Finding the Fourth Proportional to 19,285,081,570.76, 28,931,347,660.86 and 7,332,404,576.13

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Solution

The fourth proportional to 19,285,081,570.76, 28,931,347,660.86 and 7,332,404,576.13 is: 11,000,023,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285,081,570.76 : 28,931,347,660.86 = 7,332,404,576.13 : x
  2. Step 2: Convert to fraction form
    19,285,081,570.76/28,931,347,660.86 = 7,332,404,576.13/x
  3. Step 3: Cross multiply
    19,285,081,570.76x = 28,931,347,660.86 × 7,332,404,576.13
  4. Step 4: Simplify right side
    19,285,081,570.76x = 212,136,345,982,097,850,368
  5. Step 5: Solve for x
    x = 212,136,345,982,097,850,368/19,285,081,570.76
  6. Step 6: Final answer
    x = 11,000,023,266.89

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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.