Home / 12,280,390,542.12-16,946,938,816.96-6,641,606,393.64

Finding the Fourth Proportional to 12,280,390,542.12, 16,946,938,816.96 and 6,641,606,393.64

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Solution

The fourth proportional to 12,280,390,542.12, 16,946,938,816.96 and 6,641,606,393.64 is: 9,165,416,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,390,542.12 : 16,946,938,816.96 = 6,641,606,393.64 : x
  2. Step 2: Convert to fraction form
    12,280,390,542.12/16,946,938,816.96 = 6,641,606,393.64/x
  3. Step 3: Cross multiply
    12,280,390,542.12x = 16,946,938,816.96 × 6,641,606,393.64
  4. Step 4: Simplify right side
    12,280,390,542.12x = 112,554,897,199,347,433,472
  5. Step 5: Solve for x
    x = 112,554,897,199,347,433,472/12,280,390,542.12
  6. Step 6: Final answer
    x = 9,165,416,752.28

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1.5x scale

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.