Home / 411,217,734.60-616,869,848.66-120,085,674.84

Finding the Fourth Proportional to 411,217,734.60, 616,869,848.66 and 120,085,674.84

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Solution

The fourth proportional to 411,217,734.60, 616,869,848.66 and 120,085,674.84 is: 180,141,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,217,734.60 : 616,869,848.66 = 120,085,674.84 : x
  2. Step 2: Convert to fraction form
    411,217,734.60/616,869,848.66 = 120,085,674.84/x
  3. Step 3: Cross multiply
    411,217,734.60x = 616,869,848.66 × 120,085,674.84
  4. Step 4: Simplify right side
    411,217,734.60x = 74,077,232,064,784,768
  5. Step 5: Solve for x
    x = 74,077,232,064,784,768/411,217,734.60
  6. Step 6: Final answer
    x = 180,141,141.38

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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.