Home / 728,161,896.02-1,005,136,681.43-477,282,455.48

Finding the Fourth Proportional to 728,161,896.02, 1,005,136,681.43 and 477,282,455.48

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Solution

The fourth proportional to 728,161,896.02, 1,005,136,681.43 and 477,282,455.48 is: 658,828,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,161,896.02 : 1,005,136,681.43 = 477,282,455.48 : x
  2. Step 2: Convert to fraction form
    728,161,896.02/1,005,136,681.43 = 477,282,455.48/x
  3. Step 3: Cross multiply
    728,161,896.02x = 1,005,136,681.43 × 477,282,455.48
  4. Step 4: Simplify right side
    728,161,896.02x = 479,734,103,398,516,800
  5. Step 5: Solve for x
    x = 479,734,103,398,516,800/728,161,896.02
  6. Step 6: Final answer
    x = 658,828,903.33

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Double scale
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1.5x scale

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.