Home / 428,034,933.54-590,724,637.29-242,428,967.46

Finding the Fourth Proportional to 428,034,933.54, 590,724,637.29 and 242,428,967.46

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Solution

The fourth proportional to 428,034,933.54, 590,724,637.29 and 242,428,967.46 is: 334,572,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,034,933.54 : 590,724,637.29 = 242,428,967.46 : x
  2. Step 2: Convert to fraction form
    428,034,933.54/590,724,637.29 = 242,428,967.46/x
  3. Step 3: Cross multiply
    428,034,933.54x = 590,724,637.29 × 242,428,967.46
  4. Step 4: Simplify right side
    428,034,933.54x = 143,208,763,871,397,712
  5. Step 5: Solve for x
    x = 143,208,763,871,397,712/428,034,933.54
  6. Step 6: Final answer
    x = 334,572,607.63

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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.