Home / 4,172,429,999.60-6,258,644,999.40-2,519,435,913.20

Finding the Fourth Proportional to 4,172,429,999.60, 6,258,644,999.40 and 2,519,435,913.20

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Solution

The fourth proportional to 4,172,429,999.60, 6,258,644,999.40 and 2,519,435,913.20 is: 3,779,153,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172,429,999.60 : 6,258,644,999.40 = 2,519,435,913.20 : x
  2. Step 2: Convert to fraction form
    4,172,429,999.60/6,258,644,999.40 = 2,519,435,913.20/x
  3. Step 3: Cross multiply
    4,172,429,999.60x = 6,258,644,999.40 × 2,519,435,913.20
  4. Step 4: Simplify right side
    4,172,429,999.60x = 15,768,254,979,457,949,696
  5. Step 5: Solve for x
    x = 15,768,254,979,457,949,696/4,172,429,999.60
  6. Step 6: Final answer
    x = 3,779,153,869.80

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1.5x scale

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.