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Finding the Fourth Proportional to 80,779,033,009.45, 121,168,549,514.17 and 80,779,033,009.45

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Solution

The fourth proportional to 80,779,033,009.45, 121,168,549,514.17 and 80,779,033,009.45 is: 121,168,549,514.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,033,009.45 : 121,168,549,514.17 = 80,779,033,009.45 : x
  2. Step 2: Convert to fraction form
    80,779,033,009.45/121,168,549,514.17 = 80,779,033,009.45/x
  3. Step 3: Cross multiply
    80,779,033,009.45x = 121,168,549,514.17 × 80,779,033,009.45
  4. Step 4: Simplify right side
    80,779,033,009.45x = 9,787,878,260,912,313,860,096
  5. Step 5: Solve for x
    x = 9,787,878,260,912,313,860,096/80,779,033,009.45
  6. Step 6: Final answer
    x = 121,168,549,514.17

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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.