Home / 316,051,866,507.10-436,076,822,201.35-178,874,692,689.60

Finding the Fourth Proportional to 316,051,866,507.10, 436,076,822,201.35 and 178,874,692,689.60

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Solution

The fourth proportional to 316,051,866,507.10, 436,076,822,201.35 and 178,874,692,689.60 is: 246,804,767,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,051,866,507.10 : 436,076,822,201.35 = 178,874,692,689.60 : x
  2. Step 2: Convert to fraction form
    316,051,866,507.10/436,076,822,201.35 = 178,874,692,689.60/x
  3. Step 3: Cross multiply
    316,051,866,507.10x = 436,076,822,201.35 × 178,874,692,689.60
  4. Step 4: Simplify right side
    316,051,866,507.10x = 78,003,107,560,323,817,668,608
  5. Step 5: Solve for x
    x = 78,003,107,560,323,817,668,608/316,051,866,507.10
  6. Step 6: Final answer
    x = 246,804,767,908.47

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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.