Home / 287,310,030.62-430,949,099.05-255,327,911.24

Finding the Fourth Proportional to 287,310,030.62, 430,949,099.05 and 255,327,911.24

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Solution

The fourth proportional to 287,310,030.62, 430,949,099.05 and 255,327,911.24 is: 382,977,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,310,030.62 : 430,949,099.05 = 255,327,911.24 : x
  2. Step 2: Convert to fraction form
    287,310,030.62/430,949,099.05 = 255,327,911.24/x
  3. Step 3: Cross multiply
    287,310,030.62x = 430,949,099.05 × 255,327,911.24
  4. Step 4: Simplify right side
    287,310,030.62x = 110,033,333,308,403,312
  5. Step 5: Solve for x
    x = 110,033,333,308,403,312/287,310,030.62
  6. Step 6: Final answer
    x = 382,977,695.12

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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.