Home / 377,445,609.27-520,429,248.59-258,425,916.48

Finding the Fourth Proportional to 377,445,609.27, 520,429,248.59 and 258,425,916.48

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Solution

The fourth proportional to 377,445,609.27, 520,429,248.59 and 258,425,916.48 is: 356,322,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,445,609.27 : 520,429,248.59 = 258,425,916.48 : x
  2. Step 2: Convert to fraction form
    377,445,609.27/520,429,248.59 = 258,425,916.48/x
  3. Step 3: Cross multiply
    377,445,609.27x = 520,429,248.59 × 258,425,916.48
  4. Step 4: Simplify right side
    377,445,609.27x = 134,492,405,528,576,352
  5. Step 5: Solve for x
    x = 134,492,405,528,576,352/377,445,609.27
  6. Step 6: Final answer
    x = 356,322,612.39

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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.