Home / 1,315,017,600,106-1,971,145,609,631.80-442,448,454,915.90

Finding the Fourth Proportional to 1,315,017,600,106, 1,971,145,609,631.80 and 442,448,454,915.90

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Solution

The fourth proportional to 1,315,017,600,106, 1,971,145,609,631.80 and 442,448,454,915.90 is: 663,208,104,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,017,600,106 : 1,971,145,609,631.80 = 442,448,454,915.90 : x
  2. Step 2: Convert to fraction form
    1,315,017,600,106/1,971,145,609,631.80 = 442,448,454,915.90/x
  3. Step 3: Cross multiply
    1,315,017,600,106x = 1,971,145,609,631.80 × 442,448,454,915.90
  4. Step 4: Simplify right side
    1,315,017,600,106x = 872,130,329,395,849,739,632,640
  5. Step 5: Solve for x
    x = 872,130,329,395,849,739,632,640/1,315,017,600,106
  6. Step 6: Final answer
    x = 663,208,104,078.27

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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.