Home / 458,991,050.55-688,111,417.80-213,500,737.95

Finding the Fourth Proportional to 458,991,050.55, 688,111,417.80 and 213,500,737.95

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Solution

The fourth proportional to 458,991,050.55, 688,111,417.80 and 213,500,737.95 is: 320,076,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,991,050.55 : 688,111,417.80 = 213,500,737.95 : x
  2. Step 2: Convert to fraction form
    458,991,050.55/688,111,417.80 = 213,500,737.95/x
  3. Step 3: Cross multiply
    458,991,050.55x = 688,111,417.80 × 213,500,737.95
  4. Step 4: Simplify right side
    458,991,050.55x = 146,912,295,492,120,736
  5. Step 5: Solve for x
    x = 146,912,295,492,120,736/458,991,050.55
  6. Step 6: Final answer
    x = 320,076,601.31

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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.