Home / 1,497,150,607.78-2,245,663,485.41-391,730,990.64

Finding the Fourth Proportional to 1,497,150,607.78, 2,245,663,485.41 and 391,730,990.64

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Solution

The fourth proportional to 1,497,150,607.78, 2,245,663,485.41 and 391,730,990.64 is: 587,580,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,150,607.78 : 2,245,663,485.41 = 391,730,990.64 : x
  2. Step 2: Convert to fraction form
    1,497,150,607.78/2,245,663,485.41 = 391,730,990.64/x
  3. Step 3: Cross multiply
    1,497,150,607.78x = 2,245,663,485.41 × 391,730,990.64
  4. Step 4: Simplify right side
    1,497,150,607.78x = 879,695,981,788,369,152
  5. Step 5: Solve for x
    x = 879,695,981,788,369,152/1,497,150,607.78
  6. Step 6: Final answer
    x = 587,580,152.07

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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.