Home / 1,367,018,456.64-2,050,540,541.28-331,888,430.40

Finding the Fourth Proportional to 1,367,018,456.64, 2,050,540,541.28 and 331,888,430.40

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Solution

The fourth proportional to 1,367,018,456.64, 2,050,540,541.28 and 331,888,430.40 is: 497,835,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,018,456.64 : 2,050,540,541.28 = 331,888,430.40 : x
  2. Step 2: Convert to fraction form
    1,367,018,456.64/2,050,540,541.28 = 331,888,430.40/x
  3. Step 3: Cross multiply
    1,367,018,456.64x = 2,050,540,541.28 × 331,888,430.40
  4. Step 4: Simplify right side
    1,367,018,456.64x = 680,550,681,716,985,600
  5. Step 5: Solve for x
    x = 680,550,681,716,985,600/1,367,018,456.64
  6. Step 6: Final answer
    x = 497,835,766.89

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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.