Home / 551,306,989,764.66-760,804,378,772.58-304,103,692,136.01

Finding the Fourth Proportional to 551,306,989,764.66, 760,804,378,772.58 and 304,103,692,136.01

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Solution

The fourth proportional to 551,306,989,764.66, 760,804,378,772.58 and 304,103,692,136.01 is: 419,663,499,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,306,989,764.66 : 760,804,378,772.58 = 304,103,692,136.01 : x
  2. Step 2: Convert to fraction form
    551,306,989,764.66/760,804,378,772.58 = 304,103,692,136.01/x
  3. Step 3: Cross multiply
    551,306,989,764.66x = 760,804,378,772.58 × 304,103,692,136.01
  4. Step 4: Simplify right side
    551,306,989,764.66x = 231,363,420,577,985,009,287,168
  5. Step 5: Solve for x
    x = 231,363,420,577,985,009,287,168/551,306,989,764.66
  6. Step 6: Final answer
    x = 419,663,499,417.54

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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.