Home / 945,066,090.52-1,304,191,444.98-521,679,986.92

Finding the Fourth Proportional to 945,066,090.52, 1,304,191,444.98 and 521,679,986.92

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Solution

The fourth proportional to 945,066,090.52, 1,304,191,444.98 and 521,679,986.92 is: 719,918,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,066,090.52 : 1,304,191,444.98 = 521,679,986.92 : x
  2. Step 2: Convert to fraction form
    945,066,090.52/1,304,191,444.98 = 521,679,986.92/x
  3. Step 3: Cross multiply
    945,066,090.52x = 1,304,191,444.98 × 521,679,986.92
  4. Step 4: Simplify right side
    945,066,090.52x = 680,370,575,958,342,272
  5. Step 5: Solve for x
    x = 680,370,575,958,342,272/945,066,090.52
  6. Step 6: Final answer
    x = 719,918,514.46

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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.