Home / 13,082,367,975.13-18,053,575,966.07-7,141,920,477.13

Finding the Fourth Proportional to 13,082,367,975.13, 18,053,575,966.07 and 7,141,920,477.13

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Solution

The fourth proportional to 13,082,367,975.13, 18,053,575,966.07 and 7,141,920,477.13 is: 9,855,800,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,367,975.13 : 18,053,575,966.07 = 7,141,920,477.13 : x
  2. Step 2: Convert to fraction form
    13,082,367,975.13/18,053,575,966.07 = 7,141,920,477.13/x
  3. Step 3: Cross multiply
    13,082,367,975.13x = 18,053,575,966.07 × 7,141,920,477.13
  4. Step 4: Simplify right side
    13,082,367,975.13x = 128,937,203,877,497,356,288
  5. Step 5: Solve for x
    x = 128,937,203,877,497,356,288/13,082,367,975.13
  6. Step 6: Final answer
    x = 9,855,800,121.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.