Home / 8,075,376,039.40-12,113,064,059.10-3,168,209,933.80

Finding the Fourth Proportional to 8,075,376,039.40, 12,113,064,059.10 and 3,168,209,933.80

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Solution

The fourth proportional to 8,075,376,039.40, 12,113,064,059.10 and 3,168,209,933.80 is: 4,752,314,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,075,376,039.40 : 12,113,064,059.10 = 3,168,209,933.80 : x
  2. Step 2: Convert to fraction form
    8,075,376,039.40/12,113,064,059.10 = 3,168,209,933.80/x
  3. Step 3: Cross multiply
    8,075,376,039.40x = 12,113,064,059.10 × 3,168,209,933.80
  4. Step 4: Simplify right side
    8,075,376,039.40x = 38,376,729,880,796,372,992
  5. Step 5: Solve for x
    x = 38,376,729,880,796,372,992/8,075,376,039.40
  6. Step 6: Final answer
    x = 4,752,314,900.70

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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.