Home / 30,136,791,100.40-45,205,186,650.60-9,175,057,449.20

Finding the Fourth Proportional to 30,136,791,100.40, 45,205,186,650.60 and 9,175,057,449.20

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Solution

The fourth proportional to 30,136,791,100.40, 45,205,186,650.60 and 9,175,057,449.20 is: 13,762,586,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136,791,100.40 : 45,205,186,650.60 = 9,175,057,449.20 : x
  2. Step 2: Convert to fraction form
    30,136,791,100.40/45,205,186,650.60 = 9,175,057,449.20/x
  3. Step 3: Cross multiply
    30,136,791,100.40x = 45,205,186,650.60 × 9,175,057,449.20
  4. Step 4: Simplify right side
    30,136,791,100.40x = 414,760,184,521,063,923,712
  5. Step 5: Solve for x
    x = 414,760,184,521,063,923,712/30,136,791,100.40
  6. Step 6: Final answer
    x = 13,762,586,173.80

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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.