Home / 1,658,647,141.85-2,487,980,013.64-553,248,964.01

Finding the Fourth Proportional to 1,658,647,141.85, 2,487,980,013.64 and 553,248,964.01

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Solution

The fourth proportional to 1,658,647,141.85, 2,487,980,013.64 and 553,248,964.01 is: 829,876,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,647,141.85 : 2,487,980,013.64 = 553,248,964.01 : x
  2. Step 2: Convert to fraction form
    1,658,647,141.85/2,487,980,013.64 = 553,248,964.01/x
  3. Step 3: Cross multiply
    1,658,647,141.85x = 2,487,980,013.64 × 553,248,964.01
  4. Step 4: Simplify right side
    1,658,647,141.85x = 1,376,472,365,019,257,856
  5. Step 5: Solve for x
    x = 1,376,472,365,019,257,856/1,658,647,141.85
  6. Step 6: Final answer
    x = 829,876,548.36

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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.