Home / 77,746,678,076.40-116,620,017,114.60-21,849,165,647.87

Finding the Fourth Proportional to 77,746,678,076.40, 116,620,017,114.60 and 21,849,165,647.87

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Solution

The fourth proportional to 77,746,678,076.40, 116,620,017,114.60 and 21,849,165,647.87 is: 32,773,748,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,746,678,076.40 : 116,620,017,114.60 = 21,849,165,647.87 : x
  2. Step 2: Convert to fraction form
    77,746,678,076.40/116,620,017,114.60 = 21,849,165,647.87/x
  3. Step 3: Cross multiply
    77,746,678,076.40x = 116,620,017,114.60 × 21,849,165,647.87
  4. Step 4: Simplify right side
    77,746,678,076.40x = 2,548,050,071,793,747,099,648
  5. Step 5: Solve for x
    x = 2,548,050,071,793,747,099,648/77,746,678,076.40
  6. Step 6: Final answer
    x = 32,773,748,471.80

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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.