Home / 12,280,390,533.90-16,946,938,805.56-6,641,606,385.39

Finding the Fourth Proportional to 12,280,390,533.90, 16,946,938,805.56 and 6,641,606,385.39

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Solution

The fourth proportional to 12,280,390,533.90, 16,946,938,805.56 and 6,641,606,385.39 is: 9,165,416,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,390,533.90 : 16,946,938,805.56 = 6,641,606,385.39 : x
  2. Step 2: Convert to fraction form
    12,280,390,533.90/16,946,938,805.56 = 6,641,606,385.39/x
  3. Step 3: Cross multiply
    12,280,390,533.90x = 16,946,938,805.56 × 6,641,606,385.39
  4. Step 4: Simplify right side
    12,280,390,533.90x = 112,554,896,983,866,916,864
  5. Step 5: Solve for x
    x = 112,554,896,983,866,916,864/12,280,390,533.90
  6. Step 6: Final answer
    x = 9,165,416,740.87

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Double scale
Find fourth proportional to 12,280,390,534.90, 16,946,938,806.94 and 6,641,606,386.39
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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.