Home / 979,585,577.91-1,465,927,182.45-611,293,815.63

Finding the Fourth Proportional to 979,585,577.91, 1,465,927,182.45 and 611,293,815.63

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Solution

The fourth proportional to 979,585,577.91, 1,465,927,182.45 and 611,293,815.63 is: 914,787,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,585,577.91 : 1,465,927,182.45 = 611,293,815.63 : x
  2. Step 2: Convert to fraction form
    979,585,577.91/1,465,927,182.45 = 611,293,815.63/x
  3. Step 3: Cross multiply
    979,585,577.91x = 1,465,927,182.45 × 611,293,815.63
  4. Step 4: Simplify right side
    979,585,577.91x = 896,112,220,795,595,648
  5. Step 5: Solve for x
    x = 896,112,220,795,595,648/979,585,577.91
  6. Step 6: Final answer
    x = 914,787,070.17

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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.