Home / 1,512,850,513.70-2,264,621,465.36-987,087,521.77

Finding the Fourth Proportional to 1,512,850,513.70, 2,264,621,465.36 and 987,087,521.77

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Solution

The fourth proportional to 1,512,850,513.70, 2,264,621,465.36 and 987,087,521.77 is: 1,477,594,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,850,513.70 : 2,264,621,465.36 = 987,087,521.77 : x
  2. Step 2: Convert to fraction form
    1,512,850,513.70/2,264,621,465.36 = 987,087,521.77/x
  3. Step 3: Cross multiply
    1,512,850,513.70x = 2,264,621,465.36 × 987,087,521.77
  4. Step 4: Simplify right side
    1,512,850,513.70x = 2,235,379,589,986,154,752
  5. Step 5: Solve for x
    x = 2,235,379,589,986,154,752/1,512,850,513.70
  6. Step 6: Final answer
    x = 1,477,594,494.46

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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.