Home / 1,009,264,248.02-1,513,896,372.03-272,332,970.21

Finding the Fourth Proportional to 1,009,264,248.02, 1,513,896,372.03 and 272,332,970.21

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Solution

The fourth proportional to 1,009,264,248.02, 1,513,896,372.03 and 272,332,970.21 is: 408,499,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,264,248.02 : 1,513,896,372.03 = 272,332,970.21 : x
  2. Step 2: Convert to fraction form
    1,009,264,248.02/1,513,896,372.03 = 272,332,970.21/x
  3. Step 3: Cross multiply
    1,009,264,248.02x = 1,513,896,372.03 × 272,332,970.21
  4. Step 4: Simplify right side
    1,009,264,248.02x = 412,283,895,587,740,864
  5. Step 5: Solve for x
    x = 412,283,895,587,740,864/1,009,264,248.02
  6. Step 6: Final answer
    x = 408,499,455.32

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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.