Home / 389,742,130.85-537,913,440.47-233,126,468.15

Finding the Fourth Proportional to 389,742,130.85, 537,913,440.47 and 233,126,468.15

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Solution

The fourth proportional to 389,742,130.85, 537,913,440.47 and 233,126,468.15 is: 321,755,978.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,742,130.85 : 537,913,440.47 = 233,126,468.15 : x
  2. Step 2: Convert to fraction form
    389,742,130.85/537,913,440.47 = 233,126,468.15/x
  3. Step 3: Cross multiply
    389,742,130.85x = 537,913,440.47 × 233,126,468.15
  4. Step 4: Simplify right side
    389,742,130.85x = 125,401,860,545,074,976
  5. Step 5: Solve for x
    x = 125,401,860,545,074,976/389,742,130.85
  6. Step 6: Final answer
    x = 321,755,978.17

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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.