Home / 147,528,659,033.81-221,292,960,631.61-80,432,326,903.52

Finding the Fourth Proportional to 147,528,659,033.81, 221,292,960,631.61 and 80,432,326,903.52

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Solution

The fourth proportional to 147,528,659,033.81, 221,292,960,631.61 and 80,432,326,903.52 is: 120,648,475,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,528,659,033.81 : 221,292,960,631.61 = 80,432,326,903.52 : x
  2. Step 2: Convert to fraction form
    147,528,659,033.81/221,292,960,631.61 = 80,432,326,903.52/x
  3. Step 3: Cross multiply
    147,528,659,033.81x = 221,292,960,631.61 × 80,432,326,903.52
  4. Step 4: Simplify right side
    147,528,659,033.81x = 17,799,107,750,968,772,526,080
  5. Step 5: Solve for x
    x = 17,799,107,750,968,772,526,080/147,528,659,033.81
  6. Step 6: Final answer
    x = 120,648,475,133.84

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1.5x scale

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.