Home / 535,168,019.60-802,752,029.40-171,699,117.20

Finding the Fourth Proportional to 535,168,019.60, 802,752,029.40 and 171,699,117.20

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Solution

The fourth proportional to 535,168,019.60, 802,752,029.40 and 171,699,117.20 is: 257,548,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,168,019.60 : 802,752,029.40 = 171,699,117.20 : x
  2. Step 2: Convert to fraction form
    535,168,019.60/802,752,029.40 = 171,699,117.20/x
  3. Step 3: Cross multiply
    535,168,019.60x = 802,752,029.40 × 171,699,117.20
  4. Step 4: Simplify right side
    535,168,019.60x = 137,831,814,778,488,432
  5. Step 5: Solve for x
    x = 137,831,814,778,488,432/535,168,019.60
  6. Step 6: Final answer
    x = 257,548,675.80

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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.