Home / 886,547,537.40-1,328,661,645.30-476,721,233.40

Finding the Fourth Proportional to 886,547,537.40, 1,328,661,645.30 and 476,721,233.40

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Solution

The fourth proportional to 886,547,537.40, 1,328,661,645.30 and 476,721,233.40 is: 714,458,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,547,537.40 : 1,328,661,645.30 = 476,721,233.40 : x
  2. Step 2: Convert to fraction form
    886,547,537.40/1,328,661,645.30 = 476,721,233.40/x
  3. Step 3: Cross multiply
    886,547,537.40x = 1,328,661,645.30 × 476,721,233.40
  4. Step 4: Simplify right side
    886,547,537.40x = 633,401,218,318,689,280
  5. Step 5: Solve for x
    x = 633,401,218,318,689,280/886,547,537.40
  6. Step 6: Final answer
    x = 714,458,268.28

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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.