Home / 10,055,986,803.47-15,078,742,626.65-4,742,672,332.78

Finding the Fourth Proportional to 10,055,986,803.47, 15,078,742,626.65 and 4,742,672,332.78

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Solution

The fourth proportional to 10,055,986,803.47, 15,078,742,626.65 and 4,742,672,332.78 is: 7,111,538,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055,986,803.47 : 15,078,742,626.65 = 4,742,672,332.78 : x
  2. Step 2: Convert to fraction form
    10,055,986,803.47/15,078,742,626.65 = 4,742,672,332.78/x
  3. Step 3: Cross multiply
    10,055,986,803.47x = 15,078,742,626.65 × 4,742,672,332.78
  4. Step 4: Simplify right side
    10,055,986,803.47x = 71,513,535,468,517,769,216
  5. Step 5: Solve for x
    x = 71,513,535,468,517,769,216/10,055,986,803.47
  6. Step 6: Final answer
    x = 7,111,538,317.04

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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.