Home / 85,630,284,890.40-128,445,427,335.60-85,630,284,890.40

Finding the Fourth Proportional to 85,630,284,890.40, 128,445,427,335.60 and 85,630,284,890.40

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Solution

The fourth proportional to 85,630,284,890.40, 128,445,427,335.60 and 85,630,284,890.40 is: 128,445,427,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,630,284,890.40 : 128,445,427,335.60 = 85,630,284,890.40 : x
  2. Step 2: Convert to fraction form
    85,630,284,890.40/128,445,427,335.60 = 85,630,284,890.40/x
  3. Step 3: Cross multiply
    85,630,284,890.40x = 128,445,427,335.60 × 85,630,284,890.40
  4. Step 4: Simplify right side
    85,630,284,890.40x = 10,998,818,535,616,599,293,952
  5. Step 5: Solve for x
    x = 10,998,818,535,616,599,293,952/85,630,284,890.40
  6. Step 6: Final answer
    x = 128,445,427,335.60

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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.