Home / 772,142,092.30-1,157,243,756.83-417,602,242

Finding the Fourth Proportional to 772,142,092.30, 1,157,243,756.83 and 417,602,242

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Solution

The fourth proportional to 772,142,092.30, 1,157,243,756.83 and 417,602,242 is: 625,879,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,142,092.30 : 1,157,243,756.83 = 417,602,242 : x
  2. Step 2: Convert to fraction form
    772,142,092.30/1,157,243,756.83 = 417,602,242/x
  3. Step 3: Cross multiply
    772,142,092.30x = 1,157,243,756.83 × 417,602,242
  4. Step 4: Simplify right side
    772,142,092.30x = 483,267,587,392,710,784
  5. Step 5: Solve for x
    x = 483,267,587,392,710,784/772,142,092.30
  6. Step 6: Final answer
    x = 625,879,086.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.