Home / 681,983,999.10-1,022,975,998.65-616,159,640.70

Finding the Fourth Proportional to 681,983,999.10, 1,022,975,998.65 and 616,159,640.70

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Solution

The fourth proportional to 681,983,999.10, 1,022,975,998.65 and 616,159,640.70 is: 924,239,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,983,999.10 : 1,022,975,998.65 = 616,159,640.70 : x
  2. Step 2: Convert to fraction form
    681,983,999.10/1,022,975,998.65 = 616,159,640.70/x
  3. Step 3: Cross multiply
    681,983,999.10x = 1,022,975,998.65 × 616,159,640.70
  4. Step 4: Simplify right side
    681,983,999.10x = 630,316,523,772,907,776
  5. Step 5: Solve for x
    x = 630,316,523,772,907,776/681,983,999.10
  6. Step 6: Final answer
    x = 924,239,461.05

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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.