Home / 8,946,096,919.80-12,345,651,038.82-4,931,678,998.32

Finding the Fourth Proportional to 8,946,096,919.80, 12,345,651,038.82 and 4,931,678,998.32

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Solution

The fourth proportional to 8,946,096,919.80, 12,345,651,038.82 and 4,931,678,998.32 is: 6,805,737,574.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946,096,919.80 : 12,345,651,038.82 = 4,931,678,998.32 : x
  2. Step 2: Convert to fraction form
    8,946,096,919.80/12,345,651,038.82 = 4,931,678,998.32/x
  3. Step 3: Cross multiply
    8,946,096,919.80x = 12,345,651,038.82 × 4,931,678,998.32
  4. Step 4: Simplify right side
    8,946,096,919.80x = 60,884,787,948,736,077,824
  5. Step 5: Solve for x
    x = 60,884,787,948,736,077,824/8,946,096,919.80
  6. Step 6: Final answer
    x = 6,805,737,574.11

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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.