Home / 553,081,026.96-763,242,908.76-302,180,029.56

Finding the Fourth Proportional to 553,081,026.96, 763,242,908.76 and 302,180,029.56

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Solution

The fourth proportional to 553,081,026.96, 763,242,908.76 and 302,180,029.56 is: 417,003,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,081,026.96 : 763,242,908.76 = 302,180,029.56 : x
  2. Step 2: Convert to fraction form
    553,081,026.96/763,242,908.76 = 302,180,029.56/x
  3. Step 3: Cross multiply
    553,081,026.96x = 763,242,908.76 × 302,180,029.56
  4. Step 4: Simplify right side
    553,081,026.96x = 230,636,764,730,557,184
  5. Step 5: Solve for x
    x = 230,636,764,730,557,184/553,081,026.96
  6. Step 6: Final answer
    x = 417,003,573.60

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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.