Home / 3,684,604,386.15-5,521,282,567.93-2,187,688,199.06

Finding the Fourth Proportional to 3,684,604,386.15, 5,521,282,567.93 and 2,187,688,199.06

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Solution

The fourth proportional to 3,684,604,386.15, 5,521,282,567.93 and 2,187,688,199.06 is: 3,278,193,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684,604,386.15 : 5,521,282,567.93 = 2,187,688,199.06 : x
  2. Step 2: Convert to fraction form
    3,684,604,386.15/5,521,282,567.93 = 2,187,688,199.06/x
  3. Step 3: Cross multiply
    3,684,604,386.15x = 5,521,282,567.93 × 2,187,688,199.06
  4. Step 4: Simplify right side
    3,684,604,386.15x = 12,078,844,717,521,111,040
  5. Step 5: Solve for x
    x = 12,078,844,717,521,111,040/3,684,604,386.15
  6. Step 6: Final answer
    x = 3,278,193,111.57

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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.