Home / 12,131,869,966.40-18,197,804,949.60-10,754,374,894.40

Finding the Fourth Proportional to 12,131,869,966.40, 18,197,804,949.60 and 10,754,374,894.40

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Solution

The fourth proportional to 12,131,869,966.40, 18,197,804,949.60 and 10,754,374,894.40 is: 16,131,562,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,869,966.40 : 18,197,804,949.60 = 10,754,374,894.40 : x
  2. Step 2: Convert to fraction form
    12,131,869,966.40/18,197,804,949.60 = 10,754,374,894.40/x
  3. Step 3: Cross multiply
    12,131,869,966.40x = 18,197,804,949.60 × 10,754,374,894.40
  4. Step 4: Simplify right side
    12,131,869,966.40x = 195,706,016,683,166,269,440
  5. Step 5: Solve for x
    x = 195,706,016,683,166,269,440/12,131,869,966.40
  6. Step 6: Final answer
    x = 16,131,562,341.60

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Double scale
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1.5x scale

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.