Home / 503,986,095.60-755,979,143.40-430,009,508.40

Finding the Fourth Proportional to 503,986,095.60, 755,979,143.40 and 430,009,508.40

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Solution

The fourth proportional to 503,986,095.60, 755,979,143.40 and 430,009,508.40 is: 645,014,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,986,095.60 : 755,979,143.40 = 430,009,508.40 : x
  2. Step 2: Convert to fraction form
    503,986,095.60/755,979,143.40 = 430,009,508.40/x
  3. Step 3: Cross multiply
    503,986,095.60x = 755,979,143.40 × 430,009,508.40
  4. Step 4: Simplify right side
    503,986,095.60x = 325,078,219,814,087,104
  5. Step 5: Solve for x
    x = 325,078,219,814,087,104/503,986,095.60
  6. Step 6: Final answer
    x = 645,014,262.60

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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.