Home / 384,747,336.40-577,498,918.20-190,877,659.60

Finding the Fourth Proportional to 384,747,336.40, 577,498,918.20 and 190,877,659.60

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Solution

The fourth proportional to 384,747,336.40, 577,498,918.20 and 190,877,659.60 is: 286,503,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,747,336.40 : 577,498,918.20 = 190,877,659.60 : x
  2. Step 2: Convert to fraction form
    384,747,336.40/577,498,918.20 = 190,877,659.60/x
  3. Step 3: Cross multiply
    384,747,336.40x = 577,498,918.20 × 190,877,659.60
  4. Step 4: Simplify right side
    384,747,336.40x = 110,231,641,927,547,856
  5. Step 5: Solve for x
    x = 110,231,641,927,547,856/384,747,336.40
  6. Step 6: Final answer
    x = 286,503,976.76

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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.