Home / 12,638,039,764.52-17,440,553,136.48-6,999,137,401.16

Finding the Fourth Proportional to 12,638,039,764.52, 17,440,553,136.48 and 6,999,137,401.16

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Solution

The fourth proportional to 12,638,039,764.52, 17,440,553,136.48 and 6,999,137,401.16 is: 9,658,841,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,638,039,764.52 : 17,440,553,136.48 = 6,999,137,401.16 : x
  2. Step 2: Convert to fraction form
    12,638,039,764.52/17,440,553,136.48 = 6,999,137,401.16/x
  3. Step 3: Cross multiply
    12,638,039,764.52x = 17,440,553,136.48 × 6,999,137,401.16
  4. Step 4: Simplify right side
    12,638,039,764.52x = 122,068,827,754,455,515,136
  5. Step 5: Solve for x
    x = 122,068,827,754,455,515,136/12,638,039,764.52
  6. Step 6: Final answer
    x = 9,658,841,879.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.