Home / 585,252,869,769.60-877,879,304,654.40-212,974,717,372.80

Finding the Fourth Proportional to 585,252,869,769.60, 877,879,304,654.40 and 212,974,717,372.80

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Solution

The fourth proportional to 585,252,869,769.60, 877,879,304,654.40 and 212,974,717,372.80 is: 319,462,076,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,252,869,769.60 : 877,879,304,654.40 = 212,974,717,372.80 : x
  2. Step 2: Convert to fraction form
    585,252,869,769.60/877,879,304,654.40 = 212,974,717,372.80/x
  3. Step 3: Cross multiply
    585,252,869,769.60x = 877,879,304,654.40 × 212,974,717,372.80
  4. Step 4: Simplify right side
    585,252,869,769.60x = 186,966,096,796,201,036,808,192
  5. Step 5: Solve for x
    x = 186,966,096,796,201,036,808,192/585,252,869,769.60
  6. Step 6: Final answer
    x = 319,462,076,059.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.