Home / 578,343,439.23-798,113,946.13-330,824,793.48

Finding the Fourth Proportional to 578,343,439.23, 798,113,946.13 and 330,824,793.48

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Solution

The fourth proportional to 578,343,439.23, 798,113,946.13 and 330,824,793.48 is: 456,538,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,343,439.23 : 798,113,946.13 = 330,824,793.48 : x
  2. Step 2: Convert to fraction form
    578,343,439.23/798,113,946.13 = 330,824,793.48/x
  3. Step 3: Cross multiply
    578,343,439.23x = 798,113,946.13 × 330,824,793.48
  4. Step 4: Simplify right side
    578,343,439.23x = 264,035,881,401,965,120
  5. Step 5: Solve for x
    x = 264,035,881,401,965,120/578,343,439.23
  6. Step 6: Final answer
    x = 456,538,215.00

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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.