Home / 553,248,656.19-763,485,526.05-302,358,193.47

Finding the Fourth Proportional to 553,248,656.19, 763,485,526.05 and 302,358,193.47

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Solution

The fourth proportional to 553,248,656.19, 763,485,526.05 and 302,358,193.47 is: 417,255,607.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,248,656.19 : 763,485,526.05 = 302,358,193.47 : x
  2. Step 2: Convert to fraction form
    553,248,656.19/763,485,526.05 = 302,358,193.47/x
  3. Step 3: Cross multiply
    553,248,656.19x = 763,485,526.05 × 302,358,193.47
  4. Step 4: Simplify right side
    553,248,656.19x = 230,846,104,396,970,624
  5. Step 5: Solve for x
    x = 230,846,104,396,970,624/553,248,656.19
  6. Step 6: Final answer
    x = 417,255,607.97

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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.