Home / 692,587,639.78-1,039,918,112.11-599,503,309.40

Finding the Fourth Proportional to 692,587,639.78, 1,039,918,112.11 and 599,503,309.40

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Solution

The fourth proportional to 692,587,639.78, 1,039,918,112.11 and 599,503,309.40 is: 900,152,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,587,639.78 : 1,039,918,112.11 = 599,503,309.40 : x
  2. Step 2: Convert to fraction form
    692,587,639.78/1,039,918,112.11 = 599,503,309.40/x
  3. Step 3: Cross multiply
    692,587,639.78x = 1,039,918,112.11 × 599,503,309.40
  4. Step 4: Simplify right side
    692,587,639.78x = 623,434,349,717,545,088
  5. Step 5: Solve for x
    x = 623,434,349,717,545,088/692,587,639.78
  6. Step 6: Final answer
    x = 900,152,289.63

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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.