Home / 465,048,979.95-697,573,469.93-206,768,653.95

Finding the Fourth Proportional to 465,048,979.95, 697,573,469.93 and 206,768,653.95

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Solution

The fourth proportional to 465,048,979.95, 697,573,469.93 and 206,768,653.95 is: 310,152,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,048,979.95 : 697,573,469.93 = 206,768,653.95 : x
  2. Step 2: Convert to fraction form
    465,048,979.95/697,573,469.93 = 206,768,653.95/x
  3. Step 3: Cross multiply
    465,048,979.95x = 697,573,469.93 × 206,768,653.95
  4. Step 4: Simplify right side
    465,048,979.95x = 144,236,327,407,623,040
  5. Step 5: Solve for x
    x = 144,236,327,407,623,040/465,048,979.95
  6. Step 6: Final answer
    x = 310,152,980.93

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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.