Home / 757,855,950.38-1,045,842,832.35-427,831,089.38

Finding the Fourth Proportional to 757,855,950.38, 1,045,842,832.35 and 427,831,089.38

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Solution

The fourth proportional to 757,855,950.38, 1,045,842,832.35 and 427,831,089.38 is: 590,407,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,855,950.38 : 1,045,842,832.35 = 427,831,089.38 : x
  2. Step 2: Convert to fraction form
    757,855,950.38/1,045,842,832.35 = 427,831,089.38/x
  3. Step 3: Cross multiply
    757,855,950.38x = 1,045,842,832.35 × 427,831,089.38
  4. Step 4: Simplify right side
    757,855,950.38x = 447,444,078,287,179,840
  5. Step 5: Solve for x
    x = 447,444,078,287,179,840/757,855,950.38
  6. Step 6: Final answer
    x = 590,407,818.35

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1.5x scale

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.