Home / 8,406,727,181.12-11,599,358,828.28-5,018,977,138.40

Finding the Fourth Proportional to 8,406,727,181.12, 11,599,358,828.28 and 5,018,977,138.40

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Solution

The fourth proportional to 8,406,727,181.12, 11,599,358,828.28 and 5,018,977,138.40 is: 6,925,039,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406,727,181.12 : 11,599,358,828.28 = 5,018,977,138.40 : x
  2. Step 2: Convert to fraction form
    8,406,727,181.12/11,599,358,828.28 = 5,018,977,138.40/x
  3. Step 3: Cross multiply
    8,406,727,181.12x = 11,599,358,828.28 × 5,018,977,138.40
  4. Step 4: Simplify right side
    8,406,727,181.12x = 58,216,916,779,235,532,800
  5. Step 5: Solve for x
    x = 58,216,916,779,235,532,800/8,406,727,181.12
  6. Step 6: Final answer
    x = 6,925,039,379.17

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1.5x scale

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.