Home / 452,398,290.75-624,360,312.68-273,880,576.35

Finding the Fourth Proportional to 452,398,290.75, 624,360,312.68 and 273,880,576.35

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Solution

The fourth proportional to 452,398,290.75, 624,360,312.68 and 273,880,576.35 is: 377,985,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,398,290.75 : 624,360,312.68 = 273,880,576.35 : x
  2. Step 2: Convert to fraction form
    452,398,290.75/624,360,312.68 = 273,880,576.35/x
  3. Step 3: Cross multiply
    452,398,290.75x = 624,360,312.68 × 273,880,576.35
  4. Step 4: Simplify right side
    452,398,290.75x = 171,000,162,285,495,200
  5. Step 5: Solve for x
    x = 171,000,162,285,495,200/452,398,290.75
  6. Step 6: Final answer
    x = 377,985,871.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.