Home / 553,164,228.74-763,357,415.12-302,263,108.65

Finding the Fourth Proportional to 553,164,228.74, 763,357,415.12 and 302,263,108.65

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Solution

The fourth proportional to 553,164,228.74, 763,357,415.12 and 302,263,108.65 is: 417,118,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,164,228.74 : 763,357,415.12 = 302,263,108.65 : x
  2. Step 2: Convert to fraction form
    553,164,228.74/763,357,415.12 = 302,263,108.65/x
  3. Step 3: Cross multiply
    553,164,228.74x = 763,357,415.12 × 302,263,108.65
  4. Step 4: Simplify right side
    553,164,228.74x = 230,734,785,304,821,856
  5. Step 5: Solve for x
    x = 230,734,785,304,821,856/553,164,228.74
  6. Step 6: Final answer
    x = 417,118,051.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.