Home / 1,079,528,966.51-1,619,293,449.15-261,641,267.51

Finding the Fourth Proportional to 1,079,528,966.51, 1,619,293,449.15 and 261,641,267.51

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Solution

The fourth proportional to 1,079,528,966.51, 1,619,293,449.15 and 261,641,267.51 is: 392,461,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,528,966.51 : 1,619,293,449.15 = 261,641,267.51 : x
  2. Step 2: Convert to fraction form
    1,079,528,966.51/1,619,293,449.15 = 261,641,267.51/x
  3. Step 3: Cross multiply
    1,079,528,966.51x = 1,619,293,449.15 × 261,641,267.51
  4. Step 4: Simplify right side
    1,079,528,966.51x = 423,673,990,498,149,312
  5. Step 5: Solve for x
    x = 423,673,990,498,149,312/1,079,528,966.51
  6. Step 6: Final answer
    x = 392,461,901.11

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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.