Home / 10,005,690,870.05-15,008,007,712.76-3,281,947,143.25

Finding the Fourth Proportional to 10,005,690,870.05, 15,008,007,712.76 and 3,281,947,143.25

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Solution

The fourth proportional to 10,005,690,870.05, 15,008,007,712.76 and 3,281,947,143.25 is: 4,922,747,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005,690,870.05 : 15,008,007,712.76 = 3,281,947,143.25 : x
  2. Step 2: Convert to fraction form
    10,005,690,870.05/15,008,007,712.76 = 3,281,947,143.25/x
  3. Step 3: Cross multiply
    10,005,690,870.05x = 15,008,007,712.76 × 3,281,947,143.25
  4. Step 4: Simplify right side
    10,005,690,870.05x = 49,255,488,038,823,960,576
  5. Step 5: Solve for x
    x = 49,255,488,038,823,960,576/10,005,690,870.05
  6. Step 6: Final answer
    x = 4,922,747,332.35

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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.