Home / 10,479,421,007.19-15,671,386,851.35-7,825,340,880.27

Finding the Fourth Proportional to 10,479,421,007.19, 15,671,386,851.35 and 7,825,340,880.27

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Solution

The fourth proportional to 10,479,421,007.19, 15,671,386,851.35 and 7,825,340,880.27 is: 11,702,358,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479,421,007.19 : 15,671,386,851.35 = 7,825,340,880.27 : x
  2. Step 2: Convert to fraction form
    10,479,421,007.19/15,671,386,851.35 = 7,825,340,880.27/x
  3. Step 3: Cross multiply
    10,479,421,007.19x = 15,671,386,851.35 × 7,825,340,880.27
  4. Step 4: Simplify right side
    10,479,421,007.19x = 122,633,944,178,355,781,632
  5. Step 5: Solve for x
    x = 122,633,944,178,355,781,632/10,479,421,007.19
  6. Step 6: Final answer
    x = 11,702,358,755.72

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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.