Home / 3,590,280,752.80-5,385,421,129.20-3,215,390,461.60

Finding the Fourth Proportional to 3,590,280,752.80, 5,385,421,129.20 and 3,215,390,461.60

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Solution

The fourth proportional to 3,590,280,752.80, 5,385,421,129.20 and 3,215,390,461.60 is: 4,823,085,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590,280,752.80 : 5,385,421,129.20 = 3,215,390,461.60 : x
  2. Step 2: Convert to fraction form
    3,590,280,752.80/5,385,421,129.20 = 3,215,390,461.60/x
  3. Step 3: Cross multiply
    3,590,280,752.80x = 5,385,421,129.20 × 3,215,390,461.60
  4. Step 4: Simplify right side
    3,590,280,752.80x = 17,316,231,730,528,780,288
  5. Step 5: Solve for x
    x = 17,316,231,730,528,780,288/3,590,280,752.80
  6. Step 6: Final answer
    x = 4,823,085,692.40

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Double scale
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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.