Home / 384,007,705.52-529,932,038.24-207,795,702.32

Finding the Fourth Proportional to 384,007,705.52, 529,932,038.24 and 207,795,702.32

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Solution

The fourth proportional to 384,007,705.52, 529,932,038.24 and 207,795,702.32 is: 286,758,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,007,705.52 : 529,932,038.24 = 207,795,702.32 : x
  2. Step 2: Convert to fraction form
    384,007,705.52/529,932,038.24 = 207,795,702.32/x
  3. Step 3: Cross multiply
    384,007,705.52x = 529,932,038.24 × 207,795,702.32
  4. Step 4: Simplify right side
    384,007,705.52x = 110,117,600,067,949,888
  5. Step 5: Solve for x
    x = 110,117,600,067,949,888/384,007,705.52
  6. Step 6: Final answer
    x = 286,758,829.28

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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.