Home / 15,366,746,734.79-21,204,477,911.11-8,499,052,041.35

Finding the Fourth Proportional to 15,366,746,734.79, 21,204,477,911.11 and 8,499,052,041.35

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Solution

The fourth proportional to 15,366,746,734.79, 21,204,477,911.11 and 8,499,052,041.35 is: 11,727,788,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366,746,734.79 : 21,204,477,911.11 = 8,499,052,041.35 : x
  2. Step 2: Convert to fraction form
    15,366,746,734.79/21,204,477,911.11 = 8,499,052,041.35/x
  3. Step 3: Cross multiply
    15,366,746,734.79x = 21,204,477,911.11 × 8,499,052,041.35
  4. Step 4: Simplify right side
    15,366,746,734.79x = 180,217,961,276,108,406,784
  5. Step 5: Solve for x
    x = 180,217,961,276,108,406,784/15,366,746,734.79
  6. Step 6: Final answer
    x = 11,727,788,866.86

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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.