Home / 386,330,003.60-579,495,005.40-359,120,224.40

Finding the Fourth Proportional to 386,330,003.60, 579,495,005.40 and 359,120,224.40

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Solution

The fourth proportional to 386,330,003.60, 579,495,005.40 and 359,120,224.40 is: 538,680,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,330,003.60 : 579,495,005.40 = 359,120,224.40 : x
  2. Step 2: Convert to fraction form
    386,330,003.60/579,495,005.40 = 359,120,224.40/x
  3. Step 3: Cross multiply
    386,330,003.60x = 579,495,005.40 × 359,120,224.40
  4. Step 4: Simplify right side
    386,330,003.60x = 208,108,376,377,927,200
  5. Step 5: Solve for x
    x = 208,108,376,377,927,200/386,330,003.60
  6. Step 6: Final answer
    x = 538,680,336.60

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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.