Home / 31,912,717,762.10-47,869,076,643.15-19,341,799,771.70

Finding the Fourth Proportional to 31,912,717,762.10, 47,869,076,643.15 and 19,341,799,771.70

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Solution

The fourth proportional to 31,912,717,762.10, 47,869,076,643.15 and 19,341,799,771.70 is: 29,012,699,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,717,762.10 : 47,869,076,643.15 = 19,341,799,771.70 : x
  2. Step 2: Convert to fraction form
    31,912,717,762.10/47,869,076,643.15 = 19,341,799,771.70/x
  3. Step 3: Cross multiply
    31,912,717,762.10x = 47,869,076,643.15 × 19,341,799,771.70
  4. Step 4: Simplify right side
    31,912,717,762.10x = 925,874,095,687,968,489,472
  5. Step 5: Solve for x
    x = 925,874,095,687,968,489,472/31,912,717,762.10
  6. Step 6: Final answer
    x = 29,012,699,657.55

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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.