Home / 12,180,989,562.24-18,267,939,707.28-4,717,907,798.40

Finding the Fourth Proportional to 12,180,989,562.24, 18,267,939,707.28 and 4,717,907,798.40

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Solution

The fourth proportional to 12,180,989,562.24, 18,267,939,707.28 and 4,717,907,798.40 is: 7,075,488,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180,989,562.24 : 18,267,939,707.28 = 4,717,907,798.40 : x
  2. Step 2: Convert to fraction form
    12,180,989,562.24/18,267,939,707.28 = 4,717,907,798.40/x
  3. Step 3: Cross multiply
    12,180,989,562.24x = 18,267,939,707.28 × 4,717,907,798.40
  4. Step 4: Simplify right side
    12,180,989,562.24x = 86,186,455,205,677,318,144
  5. Step 5: Solve for x
    x = 86,186,455,205,677,318,144/12,180,989,562.24
  6. Step 6: Final answer
    x = 7,075,488,798.78

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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.