Home / 553,361,100.98-763,637,672.28-302,467,140.58

Finding the Fourth Proportional to 553,361,100.98, 763,637,672.28 and 302,467,140.58

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Solution

The fourth proportional to 553,361,100.98, 763,637,672.28 and 302,467,140.58 is: 417,404,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,361,100.98 : 763,637,672.28 = 302,467,140.58 : x
  2. Step 2: Convert to fraction form
    553,361,100.98/763,637,672.28 = 302,467,140.58/x
  3. Step 3: Cross multiply
    553,361,100.98x = 763,637,672.28 × 302,467,140.58
  4. Step 4: Simplify right side
    553,361,100.98x = 230,975,303,174,344,288
  5. Step 5: Solve for x
    x = 230,975,303,174,344,288/553,361,100.98
  6. Step 6: Final answer
    x = 417,404,300.31

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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.