Home / 30,537,957,758.40-45,806,936,637.60-8,454,989,885.40

Finding the Fourth Proportional to 30,537,957,758.40, 45,806,936,637.60 and 8,454,989,885.40

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Solution

The fourth proportional to 30,537,957,758.40, 45,806,936,637.60 and 8,454,989,885.40 is: 12,682,484,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537,957,758.40 : 45,806,936,637.60 = 8,454,989,885.40 : x
  2. Step 2: Convert to fraction form
    30,537,957,758.40/45,806,936,637.60 = 8,454,989,885.40/x
  3. Step 3: Cross multiply
    30,537,957,758.40x = 45,806,936,637.60 × 8,454,989,885.40
  4. Step 4: Simplify right side
    30,537,957,758.40x = 387,297,185,952,066,633,728
  5. Step 5: Solve for x
    x = 387,297,185,952,066,633,728/30,537,957,758.40
  6. Step 6: Final answer
    x = 12,682,484,828.10

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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.