Home / 517,810,357.08-776,710,212.71-299,321,674.74

Finding the Fourth Proportional to 517,810,357.08, 776,710,212.71 and 299,321,674.74

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Solution

The fourth proportional to 517,810,357.08, 776,710,212.71 and 299,321,674.74 is: 448,979,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,810,357.08 : 776,710,212.71 = 299,321,674.74 : x
  2. Step 2: Convert to fraction form
    517,810,357.08/776,710,212.71 = 299,321,674.74/x
  3. Step 3: Cross multiply
    517,810,357.08x = 776,710,212.71 × 299,321,674.74
  4. Step 4: Simplify right side
    517,810,357.08x = 232,486,201,654,522,240
  5. Step 5: Solve for x
    x = 232,486,201,654,522,240/517,810,357.08
  6. Step 6: Final answer
    x = 448,979,435.18

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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.