Home / 651,161,660.20-976,742,490.30-166,461,807.40

Finding the Fourth Proportional to 651,161,660.20, 976,742,490.30 and 166,461,807.40

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Solution

The fourth proportional to 651,161,660.20, 976,742,490.30 and 166,461,807.40 is: 249,692,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,161,660.20 : 976,742,490.30 = 166,461,807.40 : x
  2. Step 2: Convert to fraction form
    651,161,660.20/976,742,490.30 = 166,461,807.40/x
  3. Step 3: Cross multiply
    651,161,660.20x = 976,742,490.30 × 166,461,807.40
  4. Step 4: Simplify right side
    651,161,660.20x = 162,590,320,299,714,976
  5. Step 5: Solve for x
    x = 162,590,320,299,714,976/651,161,660.20
  6. Step 6: Final answer
    x = 249,692,711.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.