Home / 906,994,556,398.45-1,251,690,513,303.40-521,619,203,143.05

Finding the Fourth Proportional to 906,994,556,398.45, 1,251,690,513,303.40 and 521,619,203,143.05

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Solution

The fourth proportional to 906,994,556,398.45, 1,251,690,513,303.40 and 521,619,203,143.05 is: 719,856,369,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,994,556,398.45 : 1,251,690,513,303.40 = 521,619,203,143.05 : x
  2. Step 2: Convert to fraction form
    906,994,556,398.45/1,251,690,513,303.40 = 521,619,203,143.05/x
  3. Step 3: Cross multiply
    906,994,556,398.45x = 1,251,690,513,303.40 × 521,619,203,143.05
  4. Step 4: Simplify right side
    906,994,556,398.45x = 652,905,808,131,034,712,113,152
  5. Step 5: Solve for x
    x = 652,905,808,131,034,712,113,152/906,994,556,398.45
  6. Step 6: Final answer
    x = 719,856,369,065.36

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Double scale
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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.