Home / 395,216,772.05-545,402,347.71-219,007,710.74

Finding the Fourth Proportional to 395,216,772.05, 545,402,347.71 and 219,007,710.74

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Solution

The fourth proportional to 395,216,772.05, 545,402,347.71 and 219,007,710.74 is: 302,232,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,216,772.05 : 545,402,347.71 = 219,007,710.74 : x
  2. Step 2: Convert to fraction form
    395,216,772.05/545,402,347.71 = 219,007,710.74/x
  3. Step 3: Cross multiply
    395,216,772.05x = 545,402,347.71 × 219,007,710.74
  4. Step 4: Simplify right side
    395,216,772.05x = 119,447,319,604,188,592
  5. Step 5: Solve for x
    x = 119,447,319,604,188,592/395,216,772.05
  6. Step 6: Final answer
    x = 302,232,415.35

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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.