Home / 405,692,117.89-608,643,095.42-237,572,869.36

Finding the Fourth Proportional to 405,692,117.89, 608,643,095.42 and 237,572,869.36

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Solution

The fourth proportional to 405,692,117.89, 608,643,095.42 and 237,572,869.36 is: 356,420,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,692,117.89 : 608,643,095.42 = 237,572,869.36 : x
  2. Step 2: Convert to fraction form
    405,692,117.89/608,643,095.42 = 237,572,869.36/x
  3. Step 3: Cross multiply
    405,692,117.89x = 608,643,095.42 × 237,572,869.36
  4. Step 4: Simplify right side
    405,692,117.89x = 144,597,086,595,081,664
  5. Step 5: Solve for x
    x = 144,597,086,595,081,664/405,692,117.89
  6. Step 6: Final answer
    x = 356,420,744.25

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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.