Home / 400,149,859.32-600,911,681.94-245,611,134.63

Finding the Fourth Proportional to 400,149,859.32, 600,911,681.94 and 245,611,134.63

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Solution

The fourth proportional to 400,149,859.32, 600,911,681.94 and 245,611,134.63 is: 368,838,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,149,859.32 : 600,911,681.94 = 245,611,134.63 : x
  2. Step 2: Convert to fraction form
    400,149,859.32/600,911,681.94 = 245,611,134.63/x
  3. Step 3: Cross multiply
    400,149,859.32x = 600,911,681.94 × 245,611,134.63
  4. Step 4: Simplify right side
    400,149,859.32x = 147,590,600,013,705,088
  5. Step 5: Solve for x
    x = 147,590,600,013,705,088/400,149,859.32
  6. Step 6: Final answer
    x = 368,838,315.39

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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.