Home / 30,331,692,079.80-45,479,398,266.90-15,638,411,311.80

Finding the Fourth Proportional to 30,331,692,079.80, 45,479,398,266.90 and 15,638,411,311.80

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Solution

The fourth proportional to 30,331,692,079.80, 45,479,398,266.90 and 15,638,411,311.80 is: 23,448,264,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331,692,079.80 : 45,479,398,266.90 = 15,638,411,311.80 : x
  2. Step 2: Convert to fraction form
    30,331,692,079.80/45,479,398,266.90 = 15,638,411,311.80/x
  3. Step 3: Cross multiply
    30,331,692,079.80x = 45,479,398,266.90 × 15,638,411,311.80
  4. Step 4: Simplify right side
    30,331,692,079.80x = 711,225,536,310,946,299,904
  5. Step 5: Solve for x
    x = 711,225,536,310,946,299,904/30,331,692,079.80
  6. Step 6: Final answer
    x = 23,448,264,423.88

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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.