Home / 19,879,463,264.88-29,818,998,389.24-9,107,689,155.32

Finding the Fourth Proportional to 19,879,463,264.88, 29,818,998,389.24 and 9,107,689,155.32

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Solution

The fourth proportional to 19,879,463,264.88, 29,818,998,389.24 and 9,107,689,155.32 is: 13,661,443,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,463,264.88 : 29,818,998,389.24 = 9,107,689,155.32 : x
  2. Step 2: Convert to fraction form
    19,879,463,264.88/29,818,998,389.24 = 9,107,689,155.32/x
  3. Step 3: Cross multiply
    19,879,463,264.88x = 29,818,998,389.24 × 9,107,689,155.32
  4. Step 4: Simplify right side
    19,879,463,264.88x = 271,582,168,252,185,706,496
  5. Step 5: Solve for x
    x = 271,582,168,252,185,706,496/19,879,463,264.88
  6. Step 6: Final answer
    x = 13,661,443,703.66

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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.