Home / 348,020,599.76-480,280,752.24-191,399,829.20

Finding the Fourth Proportional to 348,020,599.76, 480,280,752.24 and 191,399,829.20

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Solution

The fourth proportional to 348,020,599.76, 480,280,752.24 and 191,399,829.20 is: 264,138,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,020,599.76 : 480,280,752.24 = 191,399,829.20 : x
  2. Step 2: Convert to fraction form
    348,020,599.76/480,280,752.24 = 191,399,829.20/x
  3. Step 3: Cross multiply
    348,020,599.76x = 480,280,752.24 × 191,399,829.20
  4. Step 4: Simplify right side
    348,020,599.76x = 91,925,653,946,783,520
  5. Step 5: Solve for x
    x = 91,925,653,946,783,520/348,020,599.76
  6. Step 6: Final answer
    x = 264,138,542.40

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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.