Home / 389,742,143.60-537,913,458.07-233,126,480.90

Finding the Fourth Proportional to 389,742,143.60, 537,913,458.07 and 233,126,480.90

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Solution

The fourth proportional to 389,742,143.60, 537,913,458.07 and 233,126,480.90 is: 321,755,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,742,143.60 : 537,913,458.07 = 233,126,480.90 : x
  2. Step 2: Convert to fraction form
    389,742,143.60/537,913,458.07 = 233,126,480.90/x
  3. Step 3: Cross multiply
    389,742,143.60x = 537,913,458.07 × 233,126,480.90
  4. Step 4: Simplify right side
    389,742,143.60x = 125,401,871,508,608,816
  5. Step 5: Solve for x
    x = 125,401,871,508,608,816/389,742,143.60
  6. Step 6: Final answer
    x = 321,755,995.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.