Home / 13,153,207,999.90-19,729,811,999.85-10,363,780,479.10

Finding the Fourth Proportional to 13,153,207,999.90, 19,729,811,999.85 and 10,363,780,479.10

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Solution

The fourth proportional to 13,153,207,999.90, 19,729,811,999.85 and 10,363,780,479.10 is: 15,545,670,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,207,999.90 : 19,729,811,999.85 = 10,363,780,479.10 : x
  2. Step 2: Convert to fraction form
    13,153,207,999.90/19,729,811,999.85 = 10,363,780,479.10/x
  3. Step 3: Cross multiply
    13,153,207,999.90x = 19,729,811,999.85 × 10,363,780,479.10
  4. Step 4: Simplify right side
    13,153,207,999.90x = 204,475,440,460,358,352,896
  5. Step 5: Solve for x
    x = 204,475,440,460,358,352,896/13,153,207,999.90
  6. Step 6: Final answer
    x = 15,545,670,718.65

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1.5x scale

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.