Home / 8,721,174,886.40-13,081,762,329.60-8,047,732,851.20

Finding the Fourth Proportional to 8,721,174,886.40, 13,081,762,329.60 and 8,047,732,851.20

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Solution

The fourth proportional to 8,721,174,886.40, 13,081,762,329.60 and 8,047,732,851.20 is: 12,071,599,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,174,886.40 : 13,081,762,329.60 = 8,047,732,851.20 : x
  2. Step 2: Convert to fraction form
    8,721,174,886.40/13,081,762,329.60 = 8,047,732,851.20/x
  3. Step 3: Cross multiply
    8,721,174,886.40x = 13,081,762,329.60 × 8,047,732,851.20
  4. Step 4: Simplify right side
    8,721,174,886.40x = 105,278,528,451,512,565,760
  5. Step 5: Solve for x
    x = 105,278,528,451,512,565,760/8,721,174,886.40
  6. Step 6: Final answer
    x = 12,071,599,276.80

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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.