Home / 579,484,909.20-869,227,363.80-349,335,526.80

Finding the Fourth Proportional to 579,484,909.20, 869,227,363.80 and 349,335,526.80

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Solution

The fourth proportional to 579,484,909.20, 869,227,363.80 and 349,335,526.80 is: 524,003,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,484,909.20 : 869,227,363.80 = 349,335,526.80 : x
  2. Step 2: Convert to fraction form
    579,484,909.20/869,227,363.80 = 349,335,526.80/x
  3. Step 3: Cross multiply
    579,484,909.20x = 869,227,363.80 × 349,335,526.80
  4. Step 4: Simplify right side
    579,484,909.20x = 303,651,999,042,048,256
  5. Step 5: Solve for x
    x = 303,651,999,042,048,256/579,484,909.20
  6. Step 6: Final answer
    x = 524,003,290.20

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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.