Home / 554,833,800.80-765,670,631.04-307,331,098.24

Finding the Fourth Proportional to 554,833,800.80, 765,670,631.04 and 307,331,098.24

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Solution

The fourth proportional to 554,833,800.80, 765,670,631.04 and 307,331,098.24 is: 424,116,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,833,800.80 : 765,670,631.04 = 307,331,098.24 : x
  2. Step 2: Convert to fraction form
    554,833,800.80/765,670,631.04 = 307,331,098.24/x
  3. Step 3: Cross multiply
    554,833,800.80x = 765,670,631.04 × 307,331,098.24
  4. Step 4: Simplify right side
    554,833,800.80x = 235,314,395,927,637,024
  5. Step 5: Solve for x
    x = 235,314,395,927,637,024/554,833,800.80
  6. Step 6: Final answer
    x = 424,116,907.78

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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.