Home / 1,011,205,005.20-1,514,540,026.20-829,806,477.20

Finding the Fourth Proportional to 1,011,205,005.20, 1,514,540,026.20 and 829,806,477.20

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Solution

The fourth proportional to 1,011,205,005.20, 1,514,540,026.20 and 829,806,477.20 is: 1,242,848,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,205,005.20 : 1,514,540,026.20 = 829,806,477.20 : x
  2. Step 2: Convert to fraction form
    1,011,205,005.20/1,514,540,026.20 = 829,806,477.20/x
  3. Step 3: Cross multiply
    1,011,205,005.20x = 1,514,540,026.20 × 829,806,477.20
  4. Step 4: Simplify right side
    1,011,205,005.20x = 1,256,775,123,719,417,856
  5. Step 5: Solve for x
    x = 1,256,775,123,719,417,856/1,011,205,005.20
  6. Step 6: Final answer
    x = 1,242,848,994.28

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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.