Home / 553,361,236.02-763,637,858.55-302,467,275.60

Finding the Fourth Proportional to 553,361,236.02, 763,637,858.55 and 302,467,275.60

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Solution

The fourth proportional to 553,361,236.02, 763,637,858.55 and 302,467,275.60 is: 417,404,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,361,236.02 : 763,637,858.55 = 302,467,275.60 : x
  2. Step 2: Convert to fraction form
    553,361,236.02/763,637,858.55 = 302,467,275.60/x
  3. Step 3: Cross multiply
    553,361,236.02x = 763,637,858.55 × 302,467,275.60
  4. Step 4: Simplify right side
    553,361,236.02x = 230,975,462,620,636,672
  5. Step 5: Solve for x
    x = 230,975,462,620,636,672/553,361,236.02
  6. Step 6: Final answer
    x = 417,404,486.59

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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.