Home / 714,738,669.93-986,186,365.92-417,245,905.35

Finding the Fourth Proportional to 714,738,669.93, 986,186,365.92 and 417,245,905.35

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Solution

The fourth proportional to 714,738,669.93, 986,186,365.92 and 417,245,905.35 is: 575,710,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,738,669.93 : 986,186,365.92 = 417,245,905.35 : x
  2. Step 2: Convert to fraction form
    714,738,669.93/986,186,365.92 = 417,245,905.35/x
  3. Step 3: Cross multiply
    714,738,669.93x = 986,186,365.92 × 417,245,905.35
  4. Step 4: Simplify right side
    714,738,669.93x = 411,482,223,092,116,800
  5. Step 5: Solve for x
    x = 411,482,223,092,116,800/714,738,669.93
  6. Step 6: Final answer
    x = 575,710,032.78

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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.