Home / 30,302,146,971.82-45,453,264,203.66-12,374,525,502.15

Finding the Fourth Proportional to 30,302,146,971.82, 45,453,264,203.66 and 12,374,525,502.15

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Solution

The fourth proportional to 30,302,146,971.82, 45,453,264,203.66 and 12,374,525,502.15 is: 18,561,806,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302,146,971.82 : 45,453,264,203.66 = 12,374,525,502.15 : x
  2. Step 2: Convert to fraction form
    30,302,146,971.82/45,453,264,203.66 = 12,374,525,502.15/x
  3. Step 3: Cross multiply
    30,302,146,971.82x = 45,453,264,203.66 × 12,374,525,502.15
  4. Step 4: Simplify right side
    30,302,146,971.82x = 562,462,577,044,152,385,536
  5. Step 5: Solve for x
    x = 562,462,577,044,152,385,536/30,302,146,971.82
  6. Step 6: Final answer
    x = 18,561,806,117.80

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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.