Home / 1,436,580,530.84-1,982,480,255.69-776,530,808.84

Finding the Fourth Proportional to 1,436,580,530.84, 1,982,480,255.69 and 776,530,808.84

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Solution

The fourth proportional to 1,436,580,530.84, 1,982,480,255.69 and 776,530,808.84 is: 1,071,612,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,580,530.84 : 1,982,480,255.69 = 776,530,808.84 : x
  2. Step 2: Convert to fraction form
    1,436,580,530.84/1,982,480,255.69 = 776,530,808.84/x
  3. Step 3: Cross multiply
    1,436,580,530.84x = 1,982,480,255.69 × 776,530,808.84
  4. Step 4: Simplify right side
    1,436,580,530.84x = 1,539,456,996,461,359,104
  5. Step 5: Solve for x
    x = 1,539,456,996,461,359,104/1,436,580,530.84
  6. Step 6: Final answer
    x = 1,071,612,042.21

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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.