Home / 824,933,905.84-1,138,438,724.90-472,577,996.08

Finding the Fourth Proportional to 824,933,905.84, 1,138,438,724.90 and 472,577,996.08

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Solution

The fourth proportional to 824,933,905.84, 1,138,438,724.90 and 472,577,996.08 is: 652,174,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,933,905.84 : 1,138,438,724.90 = 472,577,996.08 : x
  2. Step 2: Convert to fraction form
    824,933,905.84/1,138,438,724.90 = 472,577,996.08/x
  3. Step 3: Cross multiply
    824,933,905.84x = 1,138,438,724.90 × 472,577,996.08
  4. Step 4: Simplify right side
    824,933,905.84x = 538,001,091,267,903,360
  5. Step 5: Solve for x
    x = 538,001,091,267,903,360/824,933,905.84
  6. Step 6: Final answer
    x = 652,174,783.29

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Double scale
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1.5x scale

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.