Home / 672,048,230.40-1,006,938,604.80-326,257,286.40

Finding the Fourth Proportional to 672,048,230.40, 1,006,938,604.80 and 326,257,286.40

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Solution

The fourth proportional to 672,048,230.40, 1,006,938,604.80 and 326,257,286.40 is: 488,835,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,048,230.40 : 1,006,938,604.80 = 326,257,286.40 : x
  2. Step 2: Convert to fraction form
    672,048,230.40/1,006,938,604.80 = 326,257,286.40/x
  3. Step 3: Cross multiply
    672,048,230.40x = 1,006,938,604.80 × 326,257,286.40
  4. Step 4: Simplify right side
    672,048,230.40x = 328,521,056,773,449,984
  5. Step 5: Solve for x
    x = 328,521,056,773,449,984/672,048,230.40
  6. Step 6: Final answer
    x = 488,835,535.77

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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.