Home / 585,252,869,781.60-877,879,304,672.40-212,974,717,384.80

Finding the Fourth Proportional to 585,252,869,781.60, 877,879,304,672.40 and 212,974,717,384.80

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Solution

The fourth proportional to 585,252,869,781.60, 877,879,304,672.40 and 212,974,717,384.80 is: 319,462,076,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,252,869,781.60 : 877,879,304,672.40 = 212,974,717,384.80 : x
  2. Step 2: Convert to fraction form
    585,252,869,781.60/877,879,304,672.40 = 212,974,717,384.80/x
  3. Step 3: Cross multiply
    585,252,869,781.60x = 877,879,304,672.40 × 212,974,717,384.80
  4. Step 4: Simplify right side
    585,252,869,781.60x = 186,966,096,810,569,111,699,456
  5. Step 5: Solve for x
    x = 186,966,096,810,569,111,699,456/585,252,869,781.60
  6. Step 6: Final answer
    x = 319,462,076,077.20

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Double scale
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1.5x scale

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.