Home / 697,657,094.72-1,046,638,873.08-206,332,059.38

Finding the Fourth Proportional to 697,657,094.72, 1,046,638,873.08 and 206,332,059.38

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Solution

The fourth proportional to 697,657,094.72, 1,046,638,873.08 and 206,332,059.38 is: 309,543,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,657,094.72 : 1,046,638,873.08 = 206,332,059.38 : x
  2. Step 2: Convert to fraction form
    697,657,094.72/1,046,638,873.08 = 206,332,059.38/x
  3. Step 3: Cross multiply
    697,657,094.72x = 1,046,638,873.08 × 206,332,059.38
  4. Step 4: Simplify right side
    697,657,094.72x = 215,955,154,108,727,200
  5. Step 5: Solve for x
    x = 215,955,154,108,727,200/697,657,094.72
  6. Step 6: Final answer
    x = 309,543,407.13

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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.