Home / 12,117,000,810.80-18,175,501,216.20-10,810,931,409.20

Finding the Fourth Proportional to 12,117,000,810.80, 18,175,501,216.20 and 10,810,931,409.20

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Solution

The fourth proportional to 12,117,000,810.80, 18,175,501,216.20 and 10,810,931,409.20 is: 16,216,397,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,000,810.80 : 18,175,501,216.20 = 10,810,931,409.20 : x
  2. Step 2: Convert to fraction form
    12,117,000,810.80/18,175,501,216.20 = 10,810,931,409.20/x
  3. Step 3: Cross multiply
    12,117,000,810.80x = 18,175,501,216.20 × 10,810,931,409.20
  4. Step 4: Simplify right side
    12,117,000,810.80x = 196,494,096,976,169,402,368
  5. Step 5: Solve for x
    x = 196,494,096,976,169,402,368/12,117,000,810.80
  6. Step 6: Final answer
    x = 16,216,397,113.80

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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.