Home / 3,078,877,868.12-4,249,016,431.35-1,722,430,852.04

Finding the Fourth Proportional to 3,078,877,868.12, 4,249,016,431.35 and 1,722,430,852.04

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Solution

The fourth proportional to 3,078,877,868.12, 4,249,016,431.35 and 1,722,430,852.04 is: 2,377,046,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,877,868.12 : 4,249,016,431.35 = 1,722,430,852.04 : x
  2. Step 2: Convert to fraction form
    3,078,877,868.12/4,249,016,431.35 = 1,722,430,852.04/x
  3. Step 3: Cross multiply
    3,078,877,868.12x = 4,249,016,431.35 × 1,722,430,852.04
  4. Step 4: Simplify right side
    3,078,877,868.12x = 7,318,636,992,152,283,136
  5. Step 5: Solve for x
    x = 7,318,636,992,152,283,136/3,078,877,868.12
  6. Step 6: Final answer
    x = 2,377,046,867.60

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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.