Home / 77,746,678,065.15-116,620,017,097.72-21,849,165,636.62

Finding the Fourth Proportional to 77,746,678,065.15, 116,620,017,097.72 and 21,849,165,636.62

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Solution

The fourth proportional to 77,746,678,065.15, 116,620,017,097.72 and 21,849,165,636.62 is: 32,773,748,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,746,678,065.15 : 116,620,017,097.72 = 21,849,165,636.62 : x
  2. Step 2: Convert to fraction form
    77,746,678,065.15/116,620,017,097.72 = 21,849,165,636.62/x
  3. Step 3: Cross multiply
    77,746,678,065.15x = 116,620,017,097.72 × 21,849,165,636.62
  4. Step 4: Simplify right side
    77,746,678,065.15x = 2,548,050,070,112,957,890,560
  5. Step 5: Solve for x
    x = 2,548,050,070,112,957,890,560/77,746,678,065.15
  6. Step 6: Final answer
    x = 32,773,748,454.92

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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.