Home / 1,028,362,347.52-1,542,342,661.28-328,666,794.32

Finding the Fourth Proportional to 1,028,362,347.52, 1,542,342,661.28 and 328,666,794.32

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Solution

The fourth proportional to 1,028,362,347.52, 1,542,342,661.28 and 328,666,794.32 is: 492,935,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,362,347.52 : 1,542,342,661.28 = 328,666,794.32 : x
  2. Step 2: Convert to fraction form
    1,028,362,347.52/1,542,342,661.28 = 328,666,794.32/x
  3. Step 3: Cross multiply
    1,028,362,347.52x = 1,542,342,661.28 × 328,666,794.32
  4. Step 4: Simplify right side
    1,028,362,347.52x = 506,916,818,225,875,136
  5. Step 5: Solve for x
    x = 506,916,818,225,875,136/1,028,362,347.52
  6. Step 6: Final answer
    x = 492,935,996.20

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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.