Home / 763,842,177.88-1,053,268,068.54-515,893,059.16

Finding the Fourth Proportional to 763,842,177.88, 1,053,268,068.54 and 515,893,059.16

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Solution

The fourth proportional to 763,842,177.88, 1,053,268,068.54 and 515,893,059.16 is: 711,369,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,842,177.88 : 1,053,268,068.54 = 515,893,059.16 : x
  2. Step 2: Convert to fraction form
    763,842,177.88/1,053,268,068.54 = 515,893,059.16/x
  3. Step 3: Cross multiply
    763,842,177.88x = 1,053,268,068.54 × 515,893,059.16
  4. Step 4: Simplify right side
    763,842,177.88x = 543,373,685,994,645,184
  5. Step 5: Solve for x
    x = 543,373,685,994,645,184/763,842,177.88
  6. Step 6: Final answer
    x = 711,369,052.05

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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.