Home / 577,169,551.46-796,472,642.55-312,845,869.40

Finding the Fourth Proportional to 577,169,551.46, 796,472,642.55 and 312,845,869.40

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Solution

The fourth proportional to 577,169,551.46, 796,472,642.55 and 312,845,869.40 is: 431,715,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,169,551.46 : 796,472,642.55 = 312,845,869.40 : x
  2. Step 2: Convert to fraction form
    577,169,551.46/796,472,642.55 = 312,845,869.40/x
  3. Step 3: Cross multiply
    577,169,551.46x = 796,472,642.55 × 312,845,869.40
  4. Step 4: Simplify right side
    577,169,551.46x = 249,173,176,309,060,992
  5. Step 5: Solve for x
    x = 249,173,176,309,060,992/577,169,551.46
  6. Step 6: Final answer
    x = 431,715,733.58

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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.