Home / 77,746,678,065.30-116,620,017,097.94-21,849,165,636.76

Finding the Fourth Proportional to 77,746,678,065.30, 116,620,017,097.94 and 21,849,165,636.76

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Solution

The fourth proportional to 77,746,678,065.30, 116,620,017,097.94 and 21,849,165,636.76 is: 32,773,748,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,746,678,065.30 : 116,620,017,097.94 = 21,849,165,636.76 : x
  2. Step 2: Convert to fraction form
    77,746,678,065.30/116,620,017,097.94 = 21,849,165,636.76/x
  3. Step 3: Cross multiply
    77,746,678,065.30x = 116,620,017,097.94 × 21,849,165,636.76
  4. Step 4: Simplify right side
    77,746,678,065.30x = 2,548,050,070,134,674,423,808
  5. Step 5: Solve for x
    x = 2,548,050,070,134,674,423,808/77,746,678,065.30
  6. Step 6: Final answer
    x = 32,773,748,455.14

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Double scale
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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.