Home / 385,909,466.81-577,348,900.61-297,805,350.74

Finding the Fourth Proportional to 385,909,466.81, 577,348,900.61 and 297,805,350.74

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Solution

The fourth proportional to 385,909,466.81, 577,348,900.61 and 297,805,350.74 is: 445,538,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,909,466.81 : 577,348,900.61 = 297,805,350.74 : x
  2. Step 2: Convert to fraction form
    385,909,466.81/577,348,900.61 = 297,805,350.74/x
  3. Step 3: Cross multiply
    385,909,466.81x = 577,348,900.61 × 297,805,350.74
  4. Step 4: Simplify right side
    385,909,466.81x = 171,937,591,841,138,688
  5. Step 5: Solve for x
    x = 171,937,591,841,138,688/385,909,466.81
  6. Step 6: Final answer
    x = 445,538,673.27

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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.