Home / 714,586,055.37-1,071,625,420.30-209,661,435.53

Finding the Fourth Proportional to 714,586,055.37, 1,071,625,420.30 and 209,661,435.53

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Solution

The fourth proportional to 714,586,055.37, 1,071,625,420.30 and 209,661,435.53 is: 314,417,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,586,055.37 : 1,071,625,420.30 = 209,661,435.53 : x
  2. Step 2: Convert to fraction form
    714,586,055.37/1,071,625,420.30 = 209,661,435.53/x
  3. Step 3: Cross multiply
    714,586,055.37x = 1,071,625,420.30 × 209,661,435.53
  4. Step 4: Simplify right side
    714,586,055.37x = 224,678,523,970,537,600
  5. Step 5: Solve for x
    x = 224,678,523,970,537,600/714,586,055.37
  6. Step 6: Final answer
    x = 314,417,727.97

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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.