Home / 15,009,119,245,454-20,711,447,855,746-8,423,342,977,358.90

Finding the Fourth Proportional to 15,009,119,245,454, 20,711,447,855,746 and 8,423,342,977,358.90

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Solution

The fourth proportional to 15,009,119,245,454, 20,711,447,855,746 and 8,423,342,977,358.90 is: 11,623,575,373,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,119,245,454 : 20,711,447,855,746 = 8,423,342,977,358.90 : x
  2. Step 2: Convert to fraction form
    15,009,119,245,454/20,711,447,855,746 = 8,423,342,977,358.90/x
  3. Step 3: Cross multiply
    15,009,119,245,454x = 20,711,447,855,746 × 8,423,342,977,358.90
  4. Step 4: Simplify right side
    15,009,119,245,454x = 174,459,628,846,633,126,494,994,432
  5. Step 5: Solve for x
    x = 174,459,628,846,633,126,494,994,432/15,009,119,245,454
  6. Step 6: Final answer
    x = 11,623,575,373,982.98

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Double scale
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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.