Home / 519,490,297.47-716,871,038.34-284,542,002.84

Finding the Fourth Proportional to 519,490,297.47, 716,871,038.34 and 284,542,002.84

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Solution

The fourth proportional to 519,490,297.47, 716,871,038.34 and 284,542,002.84 is: 392,653,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,490,297.47 : 716,871,038.34 = 284,542,002.84 : x
  2. Step 2: Convert to fraction form
    519,490,297.47/716,871,038.34 = 284,542,002.84/x
  3. Step 3: Cross multiply
    519,490,297.47x = 716,871,038.34 × 284,542,002.84
  4. Step 4: Simplify right side
    519,490,297.47x = 203,979,921,027,254,016
  5. Step 5: Solve for x
    x = 203,979,921,027,254,016/519,490,297.47
  6. Step 6: Final answer
    x = 392,653,957.20

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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.