Home / 517,782,779.04-714,540,207.60-279,627,943.44

Finding the Fourth Proportional to 517,782,779.04, 714,540,207.60 and 279,627,943.44

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Solution

The fourth proportional to 517,782,779.04, 714,540,207.60 and 279,627,943.44 is: 385,886,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,782,779.04 : 714,540,207.60 = 279,627,943.44 : x
  2. Step 2: Convert to fraction form
    517,782,779.04/714,540,207.60 = 279,627,943.44/x
  3. Step 3: Cross multiply
    517,782,779.04x = 714,540,207.60 × 279,627,943.44
  4. Step 4: Simplify right side
    517,782,779.04x = 199,805,408,756,378,656
  5. Step 5: Solve for x
    x = 199,805,408,756,378,656/517,782,779.04
  6. Step 6: Final answer
    x = 385,886,547.11

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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.