Home / 753,473,940.48-1,039,560,345.54-439,982,012.16

Finding the Fourth Proportional to 753,473,940.48, 1,039,560,345.54 and 439,982,012.16

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Solution

The fourth proportional to 753,473,940.48, 1,039,560,345.54 and 439,982,012.16 is: 607,038,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,473,940.48 : 1,039,560,345.54 = 439,982,012.16 : x
  2. Step 2: Convert to fraction form
    753,473,940.48/1,039,560,345.54 = 439,982,012.16/x
  3. Step 3: Cross multiply
    753,473,940.48x = 1,039,560,345.54 × 439,982,012.16
  4. Step 4: Simplify right side
    753,473,940.48x = 457,387,852,592,434,112
  5. Step 5: Solve for x
    x = 457,387,852,592,434,112/753,473,940.48
  6. Step 6: Final answer
    x = 607,038,714.97

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1.5x scale

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.