Home / 1,227,189,883.70-1,693,473,111.42-691,329,066.05

Finding the Fourth Proportional to 1,227,189,883.70, 1,693,473,111.42 and 691,329,066.05

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Solution

The fourth proportional to 1,227,189,883.70, 1,693,473,111.42 and 691,329,066.05 is: 954,006,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,189,883.70 : 1,693,473,111.42 = 691,329,066.05 : x
  2. Step 2: Convert to fraction form
    1,227,189,883.70/1,693,473,111.42 = 691,329,066.05/x
  3. Step 3: Cross multiply
    1,227,189,883.70x = 1,693,473,111.42 × 691,329,066.05
  4. Step 4: Simplify right side
    1,227,189,883.70x = 1,170,747,184,498,776,064
  5. Step 5: Solve for x
    x = 1,170,747,184,498,776,064/1,227,189,883.70
  6. Step 6: Final answer
    x = 954,006,547.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.