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Finding the Fourth Proportional to 7,841,834,403.40, 11,006,118,066.20 and 7,841,834,403.40

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Solution

The fourth proportional to 7,841,834,403.40, 11,006,118,066.20 and 7,841,834,403.40 is: 11,006,118,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841,834,403.40 : 11,006,118,066.20 = 7,841,834,403.40 : x
  2. Step 2: Convert to fraction form
    7,841,834,403.40/11,006,118,066.20 = 7,841,834,403.40/x
  3. Step 3: Cross multiply
    7,841,834,403.40x = 11,006,118,066.20 × 7,841,834,403.40
  4. Step 4: Simplify right side
    7,841,834,403.40x = 86,308,155,299,409,444,864
  5. Step 5: Solve for x
    x = 86,308,155,299,409,444,864/7,841,834,403.40
  6. Step 6: Final answer
    x = 11,006,118,066.20

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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.