Home / 651,161,661.20-976,742,491.80-166,461,808.40

Finding the Fourth Proportional to 651,161,661.20, 976,742,491.80 and 166,461,808.40

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Solution

The fourth proportional to 651,161,661.20, 976,742,491.80 and 166,461,808.40 is: 249,692,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,161,661.20 : 976,742,491.80 = 166,461,808.40 : x
  2. Step 2: Convert to fraction form
    651,161,661.20/976,742,491.80 = 166,461,808.40/x
  3. Step 3: Cross multiply
    651,161,661.20x = 976,742,491.80 × 166,461,808.40
  4. Step 4: Simplify right side
    651,161,661.20x = 162,590,321,526,150,176
  5. Step 5: Solve for x
    x = 162,590,321,526,150,176/651,161,661.20
  6. Step 6: Final answer
    x = 249,692,712.60

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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.