Home / 1,554,029,364.30-2,330,990,132.85-389,508,045.90

Finding the Fourth Proportional to 1,554,029,364.30, 2,330,990,132.85 and 389,508,045.90

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Solution

The fourth proportional to 1,554,029,364.30, 2,330,990,132.85 and 389,508,045.90 is: 584,248,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,029,364.30 : 2,330,990,132.85 = 389,508,045.90 : x
  2. Step 2: Convert to fraction form
    1,554,029,364.30/2,330,990,132.85 = 389,508,045.90/x
  3. Step 3: Cross multiply
    1,554,029,364.30x = 2,330,990,132.85 × 389,508,045.90
  4. Step 4: Simplify right side
    1,554,029,364.30x = 907,939,411,658,584,832
  5. Step 5: Solve for x
    x = 907,939,411,658,584,832/1,554,029,364.30
  6. Step 6: Final answer
    x = 584,248,555.73

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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.