Home / 1,345,702,537.28-2,018,540,336.16-425,579,032.64

Finding the Fourth Proportional to 1,345,702,537.28, 2,018,540,336.16 and 425,579,032.64

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Solution

The fourth proportional to 1,345,702,537.28, 2,018,540,336.16 and 425,579,032.64 is: 638,364,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,702,537.28 : 2,018,540,336.16 = 425,579,032.64 : x
  2. Step 2: Convert to fraction form
    1,345,702,537.28/2,018,540,336.16 = 425,579,032.64/x
  3. Step 3: Cross multiply
    1,345,702,537.28x = 2,018,540,336.16 × 425,579,032.64
  4. Step 4: Simplify right side
    1,345,702,537.28x = 859,048,443,607,793,280
  5. Step 5: Solve for x
    x = 859,048,443,607,793,280/1,345,702,537.28
  6. Step 6: Final answer
    x = 638,364,289.14

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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.