Home / 1,345,189,632.40-2,017,784,448.60-472,776,086.80

Finding the Fourth Proportional to 1,345,189,632.40, 2,017,784,448.60 and 472,776,086.80

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Solution

The fourth proportional to 1,345,189,632.40, 2,017,784,448.60 and 472,776,086.80 is: 709,164,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,189,632.40 : 2,017,784,448.60 = 472,776,086.80 : x
  2. Step 2: Convert to fraction form
    1,345,189,632.40/2,017,784,448.60 = 472,776,086.80/x
  3. Step 3: Cross multiply
    1,345,189,632.40x = 2,017,784,448.60 × 472,776,086.80
  4. Step 4: Simplify right side
    1,345,189,632.40x = 953,960,235,615,003,776
  5. Step 5: Solve for x
    x = 953,960,235,615,003,776/1,345,189,632.40
  6. Step 6: Final answer
    x = 709,164,130.20

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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.