Home / 389,742,142.84-537,913,457.04-233,126,480.16

Finding the Fourth Proportional to 389,742,142.84, 537,913,457.04 and 233,126,480.16

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Solution

The fourth proportional to 389,742,142.84, 537,913,457.04 and 233,126,480.16 is: 321,755,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,742,142.84 : 537,913,457.04 = 233,126,480.16 : x
  2. Step 2: Convert to fraction form
    389,742,142.84/537,913,457.04 = 233,126,480.16/x
  3. Step 3: Cross multiply
    389,742,142.84x = 537,913,457.04 × 233,126,480.16
  4. Step 4: Simplify right side
    389,742,142.84x = 125,401,870,870,432,560
  5. Step 5: Solve for x
    x = 125,401,870,870,432,560/389,742,142.84
  6. Step 6: Final answer
    x = 321,755,994.76

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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.