Home / 469,915,020,285.70-704,871,650,637.72-147,242,535,904.22

Finding the Fourth Proportional to 469,915,020,285.70, 704,871,650,637.72 and 147,242,535,904.22

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Solution

The fourth proportional to 469,915,020,285.70, 704,871,650,637.72 and 147,242,535,904.22 is: 220,863,528,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,915,020,285.70 : 704,871,650,637.72 = 147,242,535,904.22 : x
  2. Step 2: Convert to fraction form
    469,915,020,285.70/704,871,650,637.72 = 147,242,535,904.22/x
  3. Step 3: Cross multiply
    469,915,020,285.70x = 704,871,650,637.72 × 147,242,535,904.22
  4. Step 4: Simplify right side
    469,915,020,285.70x = 103,787,089,326,891,306,319,872
  5. Step 5: Solve for x
    x = 103,787,089,326,891,306,319,872/469,915,020,285.70
  6. Step 6: Final answer
    x = 220,863,528,183.86

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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.