Home / 770,615,540.07-1,063,450,132.70-418,191,534.15

Finding the Fourth Proportional to 770,615,540.07, 1,063,450,132.70 and 418,191,534.15

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Solution

The fourth proportional to 770,615,540.07, 1,063,450,132.70 and 418,191,534.15 is: 577,104,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,615,540.07 : 1,063,450,132.70 = 418,191,534.15 : x
  2. Step 2: Convert to fraction form
    770,615,540.07/1,063,450,132.70 = 418,191,534.15/x
  3. Step 3: Cross multiply
    770,615,540.07x = 1,063,450,132.70 × 418,191,534.15
  4. Step 4: Simplify right side
    770,615,540.07x = 444,725,842,483,743,104
  5. Step 5: Solve for x
    x = 444,725,842,483,743,104/770,615,540.07
  6. Step 6: Final answer
    x = 577,104,690.16

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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.