Home / 1,298,934,518.63-1,948,582,886.25-401,614,560.19

Finding the Fourth Proportional to 1,298,934,518.63, 1,948,582,886.25 and 401,614,560.19

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Solution

The fourth proportional to 1,298,934,518.63, 1,948,582,886.25 and 401,614,560.19 is: 602,477,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,934,518.63 : 1,948,582,886.25 = 401,614,560.19 : x
  2. Step 2: Convert to fraction form
    1,298,934,518.63/1,948,582,886.25 = 401,614,560.19/x
  3. Step 3: Cross multiply
    1,298,934,518.63x = 1,948,582,886.25 × 401,614,560.19
  4. Step 4: Simplify right side
    1,298,934,518.63x = 782,579,258,845,311,616
  5. Step 5: Solve for x
    x = 782,579,258,845,311,616/1,298,934,518.63
  6. Step 6: Final answer
    x = 602,477,836.74

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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.