Home / 415,727,009,917.80-623,852,830,832.76-176,961,269,182.32

Finding the Fourth Proportional to 415,727,009,917.80, 623,852,830,832.76 and 176,961,269,182.32

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Solution

The fourth proportional to 415,727,009,917.80, 623,852,830,832.76 and 176,961,269,182.32 is: 265,553,563,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,727,009,917.80 : 623,852,830,832.76 = 176,961,269,182.32 : x
  2. Step 2: Convert to fraction form
    415,727,009,917.80/623,852,830,832.76 = 176,961,269,182.32/x
  3. Step 3: Cross multiply
    415,727,009,917.80x = 623,852,830,832.76 × 176,961,269,182.32
  4. Step 4: Simplify right side
    415,727,009,917.80x = 110,397,788,727,148,384,616,448
  5. Step 5: Solve for x
    x = 110,397,788,727,148,384,616,448/415,727,009,917.80
  6. Step 6: Final answer
    x = 265,553,563,019.58

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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.