Home / 758,403,742.40-1,135,905,002.40-622,354,846.40

Finding the Fourth Proportional to 758,403,742.40, 1,135,905,002.40 and 622,354,846.40

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Solution

The fourth proportional to 758,403,742.40, 1,135,905,002.40 and 622,354,846.40 is: 932,136,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,403,742.40 : 1,135,905,002.40 = 622,354,846.40 : x
  2. Step 2: Convert to fraction form
    758,403,742.40/1,135,905,002.40 = 622,354,846.40/x
  3. Step 3: Cross multiply
    758,403,742.40x = 1,135,905,002.40 × 622,354,846.40
  4. Step 4: Simplify right side
    758,403,742.40x = 706,935,983,293,643,648
  5. Step 5: Solve for x
    x = 706,935,983,293,643,648/758,403,742.40
  6. Step 6: Final answer
    x = 932,136,728.46

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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.