Home / 945,066,089.52-1,304,191,443.60-521,679,985.92

Finding the Fourth Proportional to 945,066,089.52, 1,304,191,443.60 and 521,679,985.92

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Solution

The fourth proportional to 945,066,089.52, 1,304,191,443.60 and 521,679,985.92 is: 719,918,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,066,089.52 : 1,304,191,443.60 = 521,679,985.92 : x
  2. Step 2: Convert to fraction form
    945,066,089.52/1,304,191,443.60 = 521,679,985.92/x
  3. Step 3: Cross multiply
    945,066,089.52x = 1,304,191,443.60 × 521,679,985.92
  4. Step 4: Simplify right side
    945,066,089.52x = 680,370,573,934,232,448
  5. Step 5: Solve for x
    x = 680,370,573,934,232,448/945,066,089.52
  6. Step 6: Final answer
    x = 719,918,513.08

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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.