Home / 323,877,386.60-485,928,054.30-312,679,946.60

Finding the Fourth Proportional to 323,877,386.60, 485,928,054.30 and 312,679,946.60

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Solution

The fourth proportional to 323,877,386.60, 485,928,054.30 and 312,679,946.60 is: 469,128,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,877,386.60 : 485,928,054.30 = 312,679,946.60 : x
  2. Step 2: Convert to fraction form
    323,877,386.60/485,928,054.30 = 312,679,946.60/x
  3. Step 3: Cross multiply
    323,877,386.60x = 485,928,054.30 × 312,679,946.60
  4. Step 4: Simplify right side
    323,877,386.60x = 151,939,958,069,965,920
  5. Step 5: Solve for x
    x = 151,939,958,069,965,920/323,877,386.60
  6. Step 6: Final answer
    x = 469,128,023.00

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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.