Home / 2,790,918,063.40-3,851,293,390.50-1,537,784,792.68

Finding the Fourth Proportional to 2,790,918,063.40, 3,851,293,390.50 and 1,537,784,792.68

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Solution

The fourth proportional to 2,790,918,063.40, 3,851,293,390.50 and 1,537,784,792.68 is: 2,122,047,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,918,063.40 : 3,851,293,390.50 = 1,537,784,792.68 : x
  2. Step 2: Convert to fraction form
    2,790,918,063.40/3,851,293,390.50 = 1,537,784,792.68/x
  3. Step 3: Cross multiply
    2,790,918,063.40x = 3,851,293,390.50 × 1,537,784,792.68
  4. Step 4: Simplify right side
    2,790,918,063.40x = 5,922,460,408,059,896,832
  5. Step 5: Solve for x
    x = 5,922,460,408,059,896,832/2,790,918,063.40
  6. Step 6: Final answer
    x = 2,122,047,395.70

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Double scale
Find fourth proportional to 2,790,918,064.40, 3,851,293,391.88 and 1,537,784,793.68
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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.