Home / 480,911,950,275.48-720,740,399,880.06-268,667,509,581.72

Finding the Fourth Proportional to 480,911,950,275.48, 720,740,399,880.06 and 268,667,509,581.72

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Solution

The fourth proportional to 480,911,950,275.48, 720,740,399,880.06 and 268,667,509,581.72 is: 402,650,689,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,911,950,275.48 : 720,740,399,880.06 = 268,667,509,581.72 : x
  2. Step 2: Convert to fraction form
    480,911,950,275.48/720,740,399,880.06 = 268,667,509,581.72/x
  3. Step 3: Cross multiply
    480,911,950,275.48x = 720,740,399,880.06 × 268,667,509,581.72
  4. Step 4: Simplify right side
    480,911,950,275.48x = 193,639,528,290,708,742,995,968
  5. Step 5: Solve for x
    x = 193,639,528,290,708,742,995,968/480,911,950,275.48
  6. Step 6: Final answer
    x = 402,650,689,340.92

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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.