Home / 354,294,039.80-531,441,059.70-249,989,886.20

Finding the Fourth Proportional to 354,294,039.80, 531,441,059.70 and 249,989,886.20

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Solution

The fourth proportional to 354,294,039.80, 531,441,059.70 and 249,989,886.20 is: 374,984,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,039.80 : 531,441,059.70 = 249,989,886.20 : x
  2. Step 2: Convert to fraction form
    354,294,039.80/531,441,059.70 = 249,989,886.20/x
  3. Step 3: Cross multiply
    354,294,039.80x = 531,441,059.70 × 249,989,886.20
  4. Step 4: Simplify right side
    354,294,039.80x = 132,854,890,036,410,400
  5. Step 5: Solve for x
    x = 132,854,890,036,410,400/354,294,039.80
  6. Step 6: Final answer
    x = 374,984,829.30

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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.