Home / 493,119,130.51-680,572,102.20-302,346,400.86

Finding the Fourth Proportional to 493,119,130.51, 680,572,102.20 and 302,346,400.86

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Solution

The fourth proportional to 493,119,130.51, 680,572,102.20 and 302,346,400.86 is: 417,279,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,119,130.51 : 680,572,102.20 = 302,346,400.86 : x
  2. Step 2: Convert to fraction form
    493,119,130.51/680,572,102.20 = 302,346,400.86/x
  3. Step 3: Cross multiply
    493,119,130.51x = 680,572,102.20 × 302,346,400.86
  4. Step 4: Simplify right side
    493,119,130.51x = 205,768,525,626,679,520
  5. Step 5: Solve for x
    x = 205,768,525,626,679,520/493,119,130.51
  6. Step 6: Final answer
    x = 417,279,543.42

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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.