Home / 998,784,013.60-1,498,176,020.40-837,540,877.60

Finding the Fourth Proportional to 998,784,013.60, 1,498,176,020.40 and 837,540,877.60

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Solution

The fourth proportional to 998,784,013.60, 1,498,176,020.40 and 837,540,877.60 is: 1,256,311,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,784,013.60 : 1,498,176,020.40 = 837,540,877.60 : x
  2. Step 2: Convert to fraction form
    998,784,013.60/1,498,176,020.40 = 837,540,877.60/x
  3. Step 3: Cross multiply
    998,784,013.60x = 1,498,176,020.40 × 837,540,877.60
  4. Step 4: Simplify right side
    998,784,013.60x = 1,254,783,658,925,091,584
  5. Step 5: Solve for x
    x = 1,254,783,658,925,091,584/998,784,013.60
  6. Step 6: Final answer
    x = 1,256,311,316.40

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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.