Home / 15,238,758,507.57-21,024,742,364.92-8,806,235,048.50

Finding the Fourth Proportional to 15,238,758,507.57, 21,024,742,364.92 and 8,806,235,048.50

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Solution

The fourth proportional to 15,238,758,507.57, 21,024,742,364.92 and 8,806,235,048.50 is: 12,149,862,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,758,507.57 : 21,024,742,364.92 = 8,806,235,048.50 : x
  2. Step 2: Convert to fraction form
    15,238,758,507.57/21,024,742,364.92 = 8,806,235,048.50/x
  3. Step 3: Cross multiply
    15,238,758,507.57x = 21,024,742,364.92 × 8,806,235,048.50
  4. Step 4: Simplify right side
    15,238,758,507.57x = 185,148,823,099,641,266,176
  5. Step 5: Solve for x
    x = 185,148,823,099,641,266,176/15,238,758,507.57
  6. Step 6: Final answer
    x = 12,149,862,668.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.