Home / 389,943,972.48-538,180,437.81-246,903,030.96

Finding the Fourth Proportional to 389,943,972.48, 538,180,437.81 and 246,903,030.96

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Solution

The fourth proportional to 389,943,972.48, 538,180,437.81 and 246,903,030.96 is: 340,762,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,943,972.48 : 538,180,437.81 = 246,903,030.96 : x
  2. Step 2: Convert to fraction form
    389,943,972.48/538,180,437.81 = 246,903,030.96/x
  3. Step 3: Cross multiply
    389,943,972.48x = 538,180,437.81 × 246,903,030.96
  4. Step 4: Simplify right side
    389,943,972.48x = 132,878,381,298,668,768
  5. Step 5: Solve for x
    x = 132,878,381,298,668,768/389,943,972.48
  6. Step 6: Final answer
    x = 340,762,752.28

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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.