Home / 347,752,417.20-521,628,625.80-186,509,281.20

Finding the Fourth Proportional to 347,752,417.20, 521,628,625.80 and 186,509,281.20

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Solution

The fourth proportional to 347,752,417.20, 521,628,625.80 and 186,509,281.20 is: 279,763,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,752,417.20 : 521,628,625.80 = 186,509,281.20 : x
  2. Step 2: Convert to fraction form
    347,752,417.20/521,628,625.80 = 186,509,281.20/x
  3. Step 3: Cross multiply
    347,752,417.20x = 521,628,625.80 × 186,509,281.20
  4. Step 4: Simplify right side
    347,752,417.20x = 97,288,580,051,301,776
  5. Step 5: Solve for x
    x = 97,288,580,051,301,776/347,752,417.20
  6. Step 6: Final answer
    x = 279,763,921.80

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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.