Home / 384,367,070.08-530,423,915.52-208,151,032.96

Finding the Fourth Proportional to 384,367,070.08, 530,423,915.52 and 208,151,032.96

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Solution

The fourth proportional to 384,367,070.08, 530,423,915.52 and 208,151,032.96 is: 287,246,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,367,070.08 : 530,423,915.52 = 208,151,032.96 : x
  2. Step 2: Convert to fraction form
    384,367,070.08/530,423,915.52 = 208,151,032.96/x
  3. Step 3: Cross multiply
    384,367,070.08x = 530,423,915.52 × 208,151,032.96
  4. Step 4: Simplify right side
    384,367,070.08x = 110,408,285,922,175,776
  5. Step 5: Solve for x
    x = 110,408,285,922,175,776/384,367,070.08
  6. Step 6: Final answer
    x = 287,246,995.17

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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.