Home / 717,401,645.40-1,076,291,424.90-257,291,837.40

Finding the Fourth Proportional to 717,401,645.40, 1,076,291,424.90 and 257,291,837.40

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Solution

The fourth proportional to 717,401,645.40, 1,076,291,424.90 and 257,291,837.40 is: 386,005,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,401,645.40 : 1,076,291,424.90 = 257,291,837.40 : x
  2. Step 2: Convert to fraction form
    717,401,645.40/1,076,291,424.90 = 257,291,837.40/x
  3. Step 3: Cross multiply
    717,401,645.40x = 1,076,291,424.90 × 257,291,837.40
  4. Step 4: Simplify right side
    717,401,645.40x = 276,920,998,290,385,152
  5. Step 5: Solve for x
    x = 276,920,998,290,385,152/717,401,645.40
  6. Step 6: Final answer
    x = 386,005,524.33

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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.