Home / 39,459,978,117.98-59,186,990,203.40-12,567,459,193.10

Finding the Fourth Proportional to 39,459,978,117.98, 59,186,990,203.40 and 12,567,459,193.10

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Solution

The fourth proportional to 39,459,978,117.98, 59,186,990,203.40 and 12,567,459,193.10 is: 18,850,240,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459,978,117.98 : 59,186,990,203.40 = 12,567,459,193.10 : x
  2. Step 2: Convert to fraction form
    39,459,978,117.98/59,186,990,203.40 = 12,567,459,193.10/x
  3. Step 3: Cross multiply
    39,459,978,117.98x = 59,186,990,203.40 × 12,567,459,193.10
  4. Step 4: Simplify right side
    39,459,978,117.98x = 743,830,084,143,639,035,904
  5. Step 5: Solve for x
    x = 743,830,084,143,639,035,904/39,459,978,117.98
  6. Step 6: Final answer
    x = 18,850,240,664.60

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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.