Home / 807,812,501.60-1,208,695,443.60-535,714,709.60

Finding the Fourth Proportional to 807,812,501.60, 1,208,695,443.60 and 535,714,709.60

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Solution

The fourth proportional to 807,812,501.60, 1,208,695,443.60 and 535,714,709.60 is: 801,567,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,812,501.60 : 1,208,695,443.60 = 535,714,709.60 : x
  2. Step 2: Convert to fraction form
    807,812,501.60/1,208,695,443.60 = 535,714,709.60/x
  3. Step 3: Cross multiply
    807,812,501.60x = 1,208,695,443.60 × 535,714,709.60
  4. Step 4: Simplify right side
    807,812,501.60x = 647,515,928,563,017,216
  5. Step 5: Solve for x
    x = 647,515,928,563,017,216/807,812,501.60
  6. Step 6: Final answer
    x = 801,567,105.34

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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.