Home / 288,155,503.79-432,405,400.23-264,711,435.01

Finding the Fourth Proportional to 288,155,503.79, 432,405,400.23 and 264,711,435.01

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Solution

The fourth proportional to 288,155,503.79, 432,405,400.23 and 264,711,435.01 is: 397,225,291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,155,503.79 : 432,405,400.23 = 264,711,435.01 : x
  2. Step 2: Convert to fraction form
    288,155,503.79/432,405,400.23 = 264,711,435.01/x
  3. Step 3: Cross multiply
    288,155,503.79x = 432,405,400.23 × 264,711,435.01
  4. Step 4: Simplify right side
    288,155,503.79x = 114,462,653,999,875,680
  5. Step 5: Solve for x
    x = 114,462,653,999,875,680/288,155,503.79
  6. Step 6: Final answer
    x = 397,225,291.53

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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.