Home / 8,519,955,672.90-12,779,933,509.35-7,068,767,448.90

Finding the Fourth Proportional to 8,519,955,672.90, 12,779,933,509.35 and 7,068,767,448.90

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Solution

The fourth proportional to 8,519,955,672.90, 12,779,933,509.35 and 7,068,767,448.90 is: 10,603,151,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,955,672.90 : 12,779,933,509.35 = 7,068,767,448.90 : x
  2. Step 2: Convert to fraction form
    8,519,955,672.90/12,779,933,509.35 = 7,068,767,448.90/x
  3. Step 3: Cross multiply
    8,519,955,672.90x = 12,779,933,509.35 × 7,068,767,448.90
  4. Step 4: Simplify right side
    8,519,955,672.90x = 90,338,377,989,999,624,192
  5. Step 5: Solve for x
    x = 90,338,377,989,999,624,192/8,519,955,672.90
  6. Step 6: Final answer
    x = 10,603,151,173.35

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Double scale
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Similar ratio
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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.