Home / 12,280,390,531.08-16,946,938,801.67-6,641,606,382.59

Finding the Fourth Proportional to 12,280,390,531.08, 16,946,938,801.67 and 6,641,606,382.59

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Solution

The fourth proportional to 12,280,390,531.08, 16,946,938,801.67 and 6,641,606,382.59 is: 9,165,416,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,390,531.08 : 16,946,938,801.67 = 6,641,606,382.59 : x
  2. Step 2: Convert to fraction form
    12,280,390,531.08/16,946,938,801.67 = 6,641,606,382.59/x
  3. Step 3: Cross multiply
    12,280,390,531.08x = 16,946,938,801.67 × 6,641,606,382.59
  4. Step 4: Simplify right side
    12,280,390,531.08x = 112,554,896,910,529,658,880
  5. Step 5: Solve for x
    x = 112,554,896,910,529,658,880/12,280,390,531.08
  6. Step 6: Final answer
    x = 9,165,416,737.01

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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.