Home / 389,742,146.10-537,913,461.52-233,126,483.40

Finding the Fourth Proportional to 389,742,146.10, 537,913,461.52 and 233,126,483.40

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Solution

The fourth proportional to 389,742,146.10, 537,913,461.52 and 233,126,483.40 is: 321,755,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,742,146.10 : 537,913,461.52 = 233,126,483.40 : x
  2. Step 2: Convert to fraction form
    389,742,146.10/537,913,461.52 = 233,126,483.40/x
  3. Step 3: Cross multiply
    389,742,146.10x = 537,913,461.52 × 233,126,483.40
  4. Step 4: Simplify right side
    389,742,146.10x = 125,401,873,657,678,816
  5. Step 5: Solve for x
    x = 125,401,873,657,678,816/389,742,146.10
  6. Step 6: Final answer
    x = 321,755,999.22

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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.