Home / 10,152,685,405.64-15,193,399,417.68-8,155,820,722.16

Finding the Fourth Proportional to 10,152,685,405.64, 15,193,399,417.68 and 8,155,820,722.16

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Solution

The fourth proportional to 10,152,685,405.64, 15,193,399,417.68 and 8,155,820,722.16 is: 12,205,109,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152,685,405.64 : 15,193,399,417.68 = 8,155,820,722.16 : x
  2. Step 2: Convert to fraction form
    10,152,685,405.64/15,193,399,417.68 = 8,155,820,722.16/x
  3. Step 3: Cross multiply
    10,152,685,405.64x = 15,193,399,417.68 × 8,155,820,722.16
  4. Step 4: Simplify right side
    10,152,685,405.64x = 123,914,641,810,768,216,064
  5. Step 5: Solve for x
    x = 123,914,641,810,768,216,064/10,152,685,405.64
  6. Step 6: Final answer
    x = 12,205,109,964.50

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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.