Home / 551,598,617.04-761,214,536.52-300,703,155.84

Finding the Fourth Proportional to 551,598,617.04, 761,214,536.52 and 300,703,155.84

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Solution

The fourth proportional to 551,598,617.04, 761,214,536.52 and 300,703,155.84 is: 414,974,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,598,617.04 : 761,214,536.52 = 300,703,155.84 : x
  2. Step 2: Convert to fraction form
    551,598,617.04/761,214,536.52 = 300,703,155.84/x
  3. Step 3: Cross multiply
    551,598,617.04x = 761,214,536.52 × 300,703,155.84
  4. Step 4: Simplify right side
    551,598,617.04x = 228,899,613,402,846,912
  5. Step 5: Solve for x
    x = 228,899,613,402,846,912/551,598,617.04
  6. Step 6: Final answer
    x = 414,974,958.84

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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.