Home / 808,661,657.52-1,115,953,300.44-456,312,318.48

Finding the Fourth Proportional to 808,661,657.52, 1,115,953,300.44 and 456,312,318.48

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Solution

The fourth proportional to 808,661,657.52, 1,115,953,300.44 and 456,312,318.48 is: 629,711,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,661,657.52 : 1,115,953,300.44 = 456,312,318.48 : x
  2. Step 2: Convert to fraction form
    808,661,657.52/1,115,953,300.44 = 456,312,318.48/x
  3. Step 3: Cross multiply
    808,661,657.52x = 1,115,953,300.44 × 456,312,318.48
  4. Step 4: Simplify right side
    808,661,657.52x = 509,223,237,839,184,448
  5. Step 5: Solve for x
    x = 509,223,237,839,184,448/808,661,657.52
  6. Step 6: Final answer
    x = 629,711,119.73

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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.