Home / 510,453,108.64-704,421,688.08-278,666,100.64

Finding the Fourth Proportional to 510,453,108.64, 704,421,688.08 and 278,666,100.64

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Solution

The fourth proportional to 510,453,108.64, 704,421,688.08 and 278,666,100.64 is: 384,557,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,453,108.64 : 704,421,688.08 = 278,666,100.64 : x
  2. Step 2: Convert to fraction form
    510,453,108.64/704,421,688.08 = 278,666,100.64/x
  3. Step 3: Cross multiply
    510,453,108.64x = 704,421,688.08 × 278,666,100.64
  4. Step 4: Simplify right side
    510,453,108.64x = 196,298,445,023,499,968
  5. Step 5: Solve for x
    x = 196,298,445,023,499,968/510,453,108.64
  6. Step 6: Final answer
    x = 384,557,252.57

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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.