Home / 6,438,527,985.60-9,657,791,978.40-6,257,129,457.60

Finding the Fourth Proportional to 6,438,527,985.60, 9,657,791,978.40 and 6,257,129,457.60

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Solution

The fourth proportional to 6,438,527,985.60, 9,657,791,978.40 and 6,257,129,457.60 is: 9,385,694,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,527,985.60 : 9,657,791,978.40 = 6,257,129,457.60 : x
  2. Step 2: Convert to fraction form
    6,438,527,985.60/9,657,791,978.40 = 6,257,129,457.60/x
  3. Step 3: Cross multiply
    6,438,527,985.60x = 9,657,791,978.40 × 6,257,129,457.60
  4. Step 4: Simplify right side
    6,438,527,985.60x = 60,430,054,683,419,623,424
  5. Step 5: Solve for x
    x = 60,430,054,683,419,623,424/6,438,527,985.60
  6. Step 6: Final answer
    x = 9,385,694,186.40

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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.