Home / 2,985,985,890.60-4,478,978,838.30-2,985,985,890.60

Finding the Fourth Proportional to 2,985,985,890.60, 4,478,978,838.30 and 2,985,985,890.60

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Solution

The fourth proportional to 2,985,985,890.60, 4,478,978,838.30 and 2,985,985,890.60 is: 4,478,978,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,985,890.60 : 4,478,978,838.30 = 2,985,985,890.60 : x
  2. Step 2: Convert to fraction form
    2,985,985,890.60/4,478,978,838.30 = 2,985,985,890.60/x
  3. Step 3: Cross multiply
    2,985,985,890.60x = 4,478,978,838.30 × 2,985,985,890.60
  4. Step 4: Simplify right side
    2,985,985,890.60x = 13,374,167,615,459,778,560
  5. Step 5: Solve for x
    x = 13,374,167,615,459,778,560/2,985,985,890.60
  6. Step 6: Final answer
    x = 4,478,978,838.30

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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.