Home / 66,468,059,206.10-99,702,088,809.15-19,939,336,774.10

Finding the Fourth Proportional to 66,468,059,206.10, 99,702,088,809.15 and 19,939,336,774.10

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Solution

The fourth proportional to 66,468,059,206.10, 99,702,088,809.15 and 19,939,336,774.10 is: 29,909,005,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,468,059,206.10 : 99,702,088,809.15 = 19,939,336,774.10 : x
  2. Step 2: Convert to fraction form
    66,468,059,206.10/99,702,088,809.15 = 19,939,336,774.10/x
  3. Step 3: Cross multiply
    66,468,059,206.10x = 99,702,088,809.15 × 19,939,336,774.10
  4. Step 4: Simplify right side
    66,468,059,206.10x = 1,987,993,525,846,868,492,288
  5. Step 5: Solve for x
    x = 1,987,993,525,846,868,492,288/66,468,059,206.10
  6. Step 6: Final answer
    x = 29,909,005,161.15

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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.