Home / 348,421,103.34-480,833,811.02-189,643,552.94

Finding the Fourth Proportional to 348,421,103.34, 480,833,811.02 and 189,643,552.94

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Solution

The fourth proportional to 348,421,103.34, 480,833,811.02 and 189,643,552.94 is: 261,715,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,421,103.34 : 480,833,811.02 = 189,643,552.94 : x
  2. Step 2: Convert to fraction form
    348,421,103.34/480,833,811.02 = 189,643,552.94/x
  3. Step 3: Cross multiply
    348,421,103.34x = 480,833,811.02 × 189,643,552.94
  4. Step 4: Simplify right side
    348,421,103.34x = 91,187,032,295,513,328
  5. Step 5: Solve for x
    x = 91,187,032,295,513,328/348,421,103.34
  6. Step 6: Final answer
    x = 261,715,009.28

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Why These Related Problems?

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