Home / 346,403,689.52-478,037,051.88-207,174,428.96

Finding the Fourth Proportional to 346,403,689.52, 478,037,051.88 and 207,174,428.96

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Solution

The fourth proportional to 346,403,689.52, 478,037,051.88 and 207,174,428.96 is: 285,900,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,403,689.52 : 478,037,051.88 = 207,174,428.96 : x
  2. Step 2: Convert to fraction form
    346,403,689.52/478,037,051.88 = 207,174,428.96/x
  3. Step 3: Cross multiply
    346,403,689.52x = 478,037,051.88 × 207,174,428.96
  4. Step 4: Simplify right side
    346,403,689.52x = 99,037,053,244,960,896
  5. Step 5: Solve for x
    x = 99,037,053,244,960,896/346,403,689.52
  6. Step 6: Final answer
    x = 285,900,688.25

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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.