Home / 525,590,178.98-725,319,146.58-290,656,646.60

Finding the Fourth Proportional to 525,590,178.98, 725,319,146.58 and 290,656,646.60

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Solution

The fourth proportional to 525,590,178.98, 725,319,146.58 and 290,656,646.60 is: 401,108,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,590,178.98 : 725,319,146.58 = 290,656,646.60 : x
  2. Step 2: Convert to fraction form
    525,590,178.98/725,319,146.58 = 290,656,646.60/x
  3. Step 3: Cross multiply
    525,590,178.98x = 725,319,146.58 × 290,656,646.60
  4. Step 4: Simplify right side
    525,590,178.98x = 210,818,830,859,716,704
  5. Step 5: Solve for x
    x = 210,818,830,859,716,704/525,590,178.98
  6. Step 6: Final answer
    x = 401,108,771.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.