Home / 1,372,172,062.88-1,893,596,006.16-745,639,000.32

Finding the Fourth Proportional to 1,372,172,062.88, 1,893,596,006.16 and 745,639,000.32

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Solution

The fourth proportional to 1,372,172,062.88, 1,893,596,006.16 and 745,639,000.32 is: 1,028,981,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,172,062.88 : 1,893,596,006.16 = 745,639,000.32 : x
  2. Step 2: Convert to fraction form
    1,372,172,062.88/1,893,596,006.16 = 745,639,000.32/x
  3. Step 3: Cross multiply
    1,372,172,062.88x = 1,893,596,006.16 × 745,639,000.32
  4. Step 4: Simplify right side
    1,372,172,062.88x = 1,411,939,033,043,087,104
  5. Step 5: Solve for x
    x = 1,411,939,033,043,087,104/1,372,172,062.88
  6. Step 6: Final answer
    x = 1,028,981,037.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.