Home / 405,011,963.58-558,887,491.71-237,755,014.98

Finding the Fourth Proportional to 405,011,963.58, 558,887,491.71 and 237,755,014.98

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Solution

The fourth proportional to 405,011,963.58, 558,887,491.71 and 237,755,014.98 is: 328,084,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,011,963.58 : 558,887,491.71 = 237,755,014.98 : x
  2. Step 2: Convert to fraction form
    405,011,963.58/558,887,491.71 = 237,755,014.98/x
  3. Step 3: Cross multiply
    405,011,963.58x = 558,887,491.71 × 237,755,014.98
  4. Step 4: Simplify right side
    405,011,963.58x = 132,878,303,963,645,680
  5. Step 5: Solve for x
    x = 132,878,303,963,645,680/405,011,963.58
  6. Step 6: Final answer
    x = 328,084,886.16

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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.