Home / 13,750,057,278.37-20,583,976,279.15-8,421,391,148.77

Finding the Fourth Proportional to 13,750,057,278.37, 20,583,976,279.15 and 8,421,391,148.77

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Solution

The fourth proportional to 13,750,057,278.37, 20,583,976,279.15 and 8,421,391,148.77 is: 12,606,908,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750,057,278.37 : 20,583,976,279.15 = 8,421,391,148.77 : x
  2. Step 2: Convert to fraction form
    13,750,057,278.37/20,583,976,279.15 = 8,421,391,148.77/x
  3. Step 3: Cross multiply
    13,750,057,278.37x = 20,583,976,279.15 × 8,421,391,148.77
  4. Step 4: Simplify right side
    13,750,057,278.37x = 173,345,715,643,725,479,936
  5. Step 5: Solve for x
    x = 173,345,715,643,725,479,936/13,750,057,278.37
  6. Step 6: Final answer
    x = 12,606,908,621.13

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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.