Home / 15,856,572,914.46-21,875,877,423.45-9,078,769,163.34

Finding the Fourth Proportional to 15,856,572,914.46, 21,875,877,423.45 and 9,078,769,163.34

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Solution

The fourth proportional to 15,856,572,914.46, 21,875,877,423.45 and 9,078,769,163.34 is: 12,525,155,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856,572,914.46 : 21,875,877,423.45 = 9,078,769,163.34 : x
  2. Step 2: Convert to fraction form
    15,856,572,914.46/21,875,877,423.45 = 9,078,769,163.34/x
  3. Step 3: Cross multiply
    15,856,572,914.46x = 21,875,877,423.45 × 9,078,769,163.34
  4. Step 4: Simplify right side
    15,856,572,914.46x = 198,606,041,373,023,567,872
  5. Step 5: Solve for x
    x = 198,606,041,373,023,567,872/15,856,572,914.46
  6. Step 6: Final answer
    x = 12,525,155,495.10

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1.5x scale

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.