Home / 8,352,663,118.40-12,528,994,677.60-5,087,489,614.40

Finding the Fourth Proportional to 8,352,663,118.40, 12,528,994,677.60 and 5,087,489,614.40

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Solution

The fourth proportional to 8,352,663,118.40, 12,528,994,677.60 and 5,087,489,614.40 is: 7,631,234,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,663,118.40 : 12,528,994,677.60 = 5,087,489,614.40 : x
  2. Step 2: Convert to fraction form
    8,352,663,118.40/12,528,994,677.60 = 5,087,489,614.40/x
  3. Step 3: Cross multiply
    8,352,663,118.40x = 12,528,994,677.60 × 5,087,489,614.40
  4. Step 4: Simplify right side
    8,352,663,118.40x = 63,741,130,301,162,872,832
  5. Step 5: Solve for x
    x = 63,741,130,301,162,872,832/8,352,663,118.40
  6. Step 6: Final answer
    x = 7,631,234,421.60

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Double scale
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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.