Home / 10,239,746,548.15-15,360,642,846.15-2,778,447,768.40

Finding the Fourth Proportional to 10,239,746,548.15, 15,360,642,846.15 and 2,778,447,768.40

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Solution

The fourth proportional to 10,239,746,548.15, 15,360,642,846.15 and 2,778,447,768.40 is: 4,167,949,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,746,548.15 : 15,360,642,846.15 = 2,778,447,768.40 : x
  2. Step 2: Convert to fraction form
    10,239,746,548.15/15,360,642,846.15 = 2,778,447,768.40/x
  3. Step 3: Cross multiply
    10,239,746,548.15x = 15,360,642,846.15 × 2,778,447,768.40
  4. Step 4: Simplify right side
    10,239,746,548.15x = 42,678,743,837,074,890,752
  5. Step 5: Solve for x
    x = 42,678,743,837,074,890,752/10,239,746,548.15
  6. Step 6: Final answer
    x = 4,167,949,239.41

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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.