Home / 390,300,609.24-584,670,285.95-234,768,561.30

Finding the Fourth Proportional to 390,300,609.24, 584,670,285.95 and 234,768,561.30

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Solution

The fourth proportional to 390,300,609.24, 584,670,285.95 and 234,768,561.30 is: 351,683,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,300,609.24 : 584,670,285.95 = 234,768,561.30 : x
  2. Step 2: Convert to fraction form
    390,300,609.24/584,670,285.95 = 234,768,561.30/x
  3. Step 3: Cross multiply
    390,300,609.24x = 584,670,285.95 × 234,768,561.30
  4. Step 4: Simplify right side
    390,300,609.24x = 137,262,201,866,167,280
  5. Step 5: Solve for x
    x = 137,262,201,866,167,280/390,300,609.24
  6. Step 6: Final answer
    x = 351,683,288.77

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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.