Home / 19,157,039,520.30-28,735,559,280.45-11,320,623,110.70

Finding the Fourth Proportional to 19,157,039,520.30, 28,735,559,280.45 and 11,320,623,110.70

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Solution

The fourth proportional to 19,157,039,520.30, 28,735,559,280.45 and 11,320,623,110.70 is: 16,980,934,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,039,520.30 : 28,735,559,280.45 = 11,320,623,110.70 : x
  2. Step 2: Convert to fraction form
    19,157,039,520.30/28,735,559,280.45 = 11,320,623,110.70/x
  3. Step 3: Cross multiply
    19,157,039,520.30x = 28,735,559,280.45 × 11,320,623,110.70
  4. Step 4: Simplify right side
    19,157,039,520.30x = 325,304,436,489,152,167,936
  5. Step 5: Solve for x
    x = 325,304,436,489,152,167,936/19,157,039,520.30
  6. Step 6: Final answer
    x = 16,980,934,666.05

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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.