Home / 346,403,690.52-478,037,053.26-207,174,429.96

Finding the Fourth Proportional to 346,403,690.52, 478,037,053.26 and 207,174,429.96

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Solution

The fourth proportional to 346,403,690.52, 478,037,053.26 and 207,174,429.96 is: 285,900,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,403,690.52 : 478,037,053.26 = 207,174,429.96 : x
  2. Step 2: Convert to fraction form
    346,403,690.52/478,037,053.26 = 207,174,429.96/x
  3. Step 3: Cross multiply
    346,403,690.52x = 478,037,053.26 × 207,174,429.96
  4. Step 4: Simplify right side
    346,403,690.52x = 99,037,054,008,898,656
  5. Step 5: Solve for x
    x = 99,037,054,008,898,656/346,403,690.52
  6. Step 6: Final answer
    x = 285,900,689.63

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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.