Home / 15,009,119,245,559-20,711,447,855,893-8,423,342,977,464.40

Finding the Fourth Proportional to 15,009,119,245,559, 20,711,447,855,893 and 8,423,342,977,464.40

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Solution

The fourth proportional to 15,009,119,245,559, 20,711,447,855,893 and 8,423,342,977,464.40 is: 11,623,575,374,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,119,245,559 : 20,711,447,855,893 = 8,423,342,977,464.40 : x
  2. Step 2: Convert to fraction form
    15,009,119,245,559/20,711,447,855,893 = 8,423,342,977,464.40/x
  3. Step 3: Cross multiply
    15,009,119,245,559x = 20,711,447,855,893 × 8,423,342,977,464.40
  4. Step 4: Simplify right side
    15,009,119,245,559x = 174,459,628,850,056,421,588,336,640
  5. Step 5: Solve for x
    x = 174,459,628,850,056,421,588,336,640/15,009,119,245,559
  6. Step 6: Final answer
    x = 11,623,575,374,129.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.