Home / 1,347,946,912.60-2,021,920,368.90-326,740,384.60

Finding the Fourth Proportional to 1,347,946,912.60, 2,021,920,368.90 and 326,740,384.60

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Solution

The fourth proportional to 1,347,946,912.60, 2,021,920,368.90 and 326,740,384.60 is: 490,110,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,946,912.60 : 2,021,920,368.90 = 326,740,384.60 : x
  2. Step 2: Convert to fraction form
    1,347,946,912.60/2,021,920,368.90 = 326,740,384.60/x
  3. Step 3: Cross multiply
    1,347,946,912.60x = 2,021,920,368.90 × 326,740,384.60
  4. Step 4: Simplify right side
    1,347,946,912.60x = 660,643,038,964,960,000
  5. Step 5: Solve for x
    x = 660,643,038,964,960,000/1,347,946,912.60
  6. Step 6: Final answer
    x = 490,110,576.90

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1.5x scale

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.