Home / 578,343,440.61-798,113,948.02-330,824,794.86

Finding the Fourth Proportional to 578,343,440.61, 798,113,948.02 and 330,824,794.86

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Solution

The fourth proportional to 578,343,440.61, 798,113,948.02 and 330,824,794.86 is: 456,538,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,343,440.61 : 798,113,948.02 = 330,824,794.86 : x
  2. Step 2: Convert to fraction form
    578,343,440.61/798,113,948.02 = 330,824,794.86/x
  3. Step 3: Cross multiply
    578,343,440.61x = 798,113,948.02 × 330,824,794.86
  4. Step 4: Simplify right side
    578,343,440.61x = 264,035,883,127,794,176
  5. Step 5: Solve for x
    x = 264,035,883,127,794,176/578,343,440.61
  6. Step 6: Final answer
    x = 456,538,216.89

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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.