Home / 12,117,197,535.20-18,175,796,302.80-10,851,942,802.40

Finding the Fourth Proportional to 12,117,197,535.20, 18,175,796,302.80 and 10,851,942,802.40

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Solution

The fourth proportional to 12,117,197,535.20, 18,175,796,302.80 and 10,851,942,802.40 is: 16,277,914,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117,197,535.20 : 18,175,796,302.80 = 10,851,942,802.40 : x
  2. Step 2: Convert to fraction form
    12,117,197,535.20/18,175,796,302.80 = 10,851,942,802.40/x
  3. Step 3: Cross multiply
    12,117,197,535.20x = 18,175,796,302.80 × 10,851,942,802.40
  4. Step 4: Simplify right side
    12,117,197,535.20x = 197,242,701,866,058,973,184
  5. Step 5: Solve for x
    x = 197,242,701,866,058,973,184/12,117,197,535.20
  6. Step 6: Final answer
    x = 16,277,914,203.60

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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.