Home / 579,015,046.80-868,648,541.40-190,771,808.40

Finding the Fourth Proportional to 579,015,046.80, 868,648,541.40 and 190,771,808.40

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Solution

The fourth proportional to 579,015,046.80, 868,648,541.40 and 190,771,808.40 is: 286,199,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,015,046.80 : 868,648,541.40 = 190,771,808.40 : x
  2. Step 2: Convert to fraction form
    579,015,046.80/868,648,541.40 = 190,771,808.40/x
  3. Step 3: Cross multiply
    579,015,046.80x = 868,648,541.40 × 190,771,808.40
  4. Step 4: Simplify right side
    579,015,046.80x = 165,713,653,106,900,256
  5. Step 5: Solve for x
    x = 165,713,653,106,900,256/579,015,046.80
  6. Step 6: Final answer
    x = 286,199,217.14

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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.