Home / 366,913,655.60-550,370,483.40-338,853,570.80

Finding the Fourth Proportional to 366,913,655.60, 550,370,483.40 and 338,853,570.80

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Solution

The fourth proportional to 366,913,655.60, 550,370,483.40 and 338,853,570.80 is: 508,280,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,913,655.60 : 550,370,483.40 = 338,853,570.80 : x
  2. Step 2: Convert to fraction form
    366,913,655.60/550,370,483.40 = 338,853,570.80/x
  3. Step 3: Cross multiply
    366,913,655.60x = 550,370,483.40 × 338,853,570.80
  4. Step 4: Simplify right side
    366,913,655.60x = 186,495,003,563,012,128
  5. Step 5: Solve for x
    x = 186,495,003,563,012,128/366,913,655.60
  6. Step 6: Final answer
    x = 508,280,356.20

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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.