Home / 1,315,017,600,110.50-1,971,145,609,638.60-442,448,454,920.40

Finding the Fourth Proportional to 1,315,017,600,110.50, 1,971,145,609,638.60 and 442,448,454,920.40

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Solution

The fourth proportional to 1,315,017,600,110.50, 1,971,145,609,638.60 and 442,448,454,920.40 is: 663,208,104,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,017,600,110.50 : 1,971,145,609,638.60 = 442,448,454,920.40 : x
  2. Step 2: Convert to fraction form
    1,315,017,600,110.50/1,971,145,609,638.60 = 442,448,454,920.40/x
  3. Step 3: Cross multiply
    1,315,017,600,110.50x = 1,971,145,609,638.60 × 442,448,454,920.40
  4. Step 4: Simplify right side
    1,315,017,600,110.50x = 872,130,329,407,728,545,431,552
  5. Step 5: Solve for x
    x = 872,130,329,407,728,545,431,552/1,315,017,600,110.50
  6. Step 6: Final answer
    x = 663,208,104,085.03

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Double scale
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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.