Home / 730,646,424.56-1,096,130,840.56-213,117,368.96

Finding the Fourth Proportional to 730,646,424.56, 1,096,130,840.56 and 213,117,368.96

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Solution

The fourth proportional to 730,646,424.56, 1,096,130,840.56 and 213,117,368.96 is: 319,723,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,646,424.56 : 1,096,130,840.56 = 213,117,368.96 : x
  2. Step 2: Convert to fraction form
    730,646,424.56/1,096,130,840.56 = 213,117,368.96/x
  3. Step 3: Cross multiply
    730,646,424.56x = 1,096,130,840.56 × 213,117,368.96
  4. Step 4: Simplify right side
    730,646,424.56x = 233,604,520,776,060,448
  5. Step 5: Solve for x
    x = 233,604,520,776,060,448/730,646,424.56
  6. Step 6: Final answer
    x = 319,723,073.87

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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.