Home / 480,911,950,276.48-720,740,399,881.56-268,667,509,582.72

Finding the Fourth Proportional to 480,911,950,276.48, 720,740,399,881.56 and 268,667,509,582.72

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Solution

The fourth proportional to 480,911,950,276.48, 720,740,399,881.56 and 268,667,509,582.72 is: 402,650,689,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,911,950,276.48 : 720,740,399,881.56 = 268,667,509,582.72 : x
  2. Step 2: Convert to fraction form
    480,911,950,276.48/720,740,399,881.56 = 268,667,509,582.72/x
  3. Step 3: Cross multiply
    480,911,950,276.48x = 720,740,399,881.56 × 268,667,509,582.72
  4. Step 4: Simplify right side
    480,911,950,276.48x = 193,639,528,291,832,480,923,648
  5. Step 5: Solve for x
    x = 193,639,528,291,832,480,923,648/480,911,950,276.48
  6. Step 6: Final answer
    x = 402,650,689,342.42

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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.