Home / 501,472,130.04-748,831,386.27-409,538,372.90

Finding the Fourth Proportional to 501,472,130.04, 748,831,386.27 and 409,538,372.90

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Solution

The fourth proportional to 501,472,130.04, 748,831,386.27 and 409,538,372.90 is: 611,549,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,472,130.04 : 748,831,386.27 = 409,538,372.90 : x
  2. Step 2: Convert to fraction form
    501,472,130.04/748,831,386.27 = 409,538,372.90/x
  3. Step 3: Cross multiply
    501,472,130.04x = 748,831,386.27 × 409,538,372.90
  4. Step 4: Simplify right side
    501,472,130.04x = 306,675,187,509,467,200
  5. Step 5: Solve for x
    x = 306,675,187,509,467,200/501,472,130.04
  6. Step 6: Final answer
    x = 611,549,813.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.