Home / 947,125,399.37-1,307,041,508.21-523,767,707.42

Finding the Fourth Proportional to 947,125,399.37, 1,307,041,508.21 and 523,767,707.42

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Solution

The fourth proportional to 947,125,399.37, 1,307,041,508.21 and 523,767,707.42 is: 722,804,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,125,399.37 : 1,307,041,508.21 = 523,767,707.42 : x
  2. Step 2: Convert to fraction form
    947,125,399.37/1,307,041,508.21 = 523,767,707.42/x
  3. Step 3: Cross multiply
    947,125,399.37x = 1,307,041,508.21 × 523,767,707.42
  4. Step 4: Simplify right side
    947,125,399.37x = 684,586,134,248,776,704
  5. Step 5: Solve for x
    x = 684,586,134,248,776,704/947,125,399.37
  6. Step 6: Final answer
    x = 722,804,113.06

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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.