Home / 1,400,535,688.84-1,932,745,254.06-765,468,971.80

Finding the Fourth Proportional to 1,400,535,688.84, 1,932,745,254.06 and 765,468,971.80

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Solution

The fourth proportional to 1,400,535,688.84, 1,932,745,254.06 and 765,468,971.80 is: 1,056,350,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,535,688.84 : 1,932,745,254.06 = 765,468,971.80 : x
  2. Step 2: Convert to fraction form
    1,400,535,688.84/1,932,745,254.06 = 765,468,971.80/x
  3. Step 3: Cross multiply
    1,400,535,688.84x = 1,932,745,254.06 × 765,468,971.80
  4. Step 4: Simplify right side
    1,400,535,688.84x = 1,479,456,522,376,637,952
  5. Step 5: Solve for x
    x = 1,479,456,522,376,637,952/1,400,535,688.84
  6. Step 6: Final answer
    x = 1,056,350,462.30

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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.