Home / 939,514,649.80-1,409,271,974.70-789,860,864.20

Finding the Fourth Proportional to 939,514,649.80, 1,409,271,974.70 and 789,860,864.20

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Solution

The fourth proportional to 939,514,649.80, 1,409,271,974.70 and 789,860,864.20 is: 1,184,791,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,514,649.80 : 1,409,271,974.70 = 789,860,864.20 : x
  2. Step 2: Convert to fraction form
    939,514,649.80/1,409,271,974.70 = 789,860,864.20/x
  3. Step 3: Cross multiply
    939,514,649.80x = 1,409,271,974.70 × 789,860,864.20
  4. Step 4: Simplify right side
    939,514,649.80x = 1,113,128,779,829,382,656
  5. Step 5: Solve for x
    x = 1,113,128,779,829,382,656/939,514,649.80
  6. Step 6: Final answer
    x = 1,184,791,296.30

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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.