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Finding the Fourth Proportional to 19,374,779,233.60, 27,143,057,528 and 19,374,779,233.60

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Solution

The fourth proportional to 19,374,779,233.60, 27,143,057,528 and 19,374,779,233.60 is: 27,143,057,528

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374,779,233.60 : 27,143,057,528 = 19,374,779,233.60 : x
  2. Step 2: Convert to fraction form
    19,374,779,233.60/27,143,057,528 = 19,374,779,233.60/x
  3. Step 3: Cross multiply
    19,374,779,233.60x = 27,143,057,528 × 19,374,779,233.60
  4. Step 4: Simplify right side
    19,374,779,233.60x = 525,890,747,329,904,508,928
  5. Step 5: Solve for x
    x = 525,890,747,329,904,508,928/19,374,779,233.60
  6. Step 6: Final answer
    x = 27,143,057,528

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Double scale
Find fourth proportional to 19,374,779,234.60, 27,143,057,529.40 and 19,374,779,234.60
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.