Home / 834,924,969.39-1,152,210,334.91-458,616,353.07

Finding the Fourth Proportional to 834,924,969.39, 1,152,210,334.91 and 458,616,353.07

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Solution

The fourth proportional to 834,924,969.39, 1,152,210,334.91 and 458,616,353.07 is: 632,898,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,924,969.39 : 1,152,210,334.91 = 458,616,353.07 : x
  2. Step 2: Convert to fraction form
    834,924,969.39/1,152,210,334.91 = 458,616,353.07/x
  3. Step 3: Cross multiply
    834,924,969.39x = 1,152,210,334.91 × 458,616,353.07
  4. Step 4: Simplify right side
    834,924,969.39x = 528,422,501,763,694,400
  5. Step 5: Solve for x
    x = 528,422,501,763,694,400/834,924,969.39
  6. Step 6: Final answer
    x = 632,898,189.82

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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.