Home / 7,243,374,428.40-10,865,061,642.60-5,139,151,503.60

Finding the Fourth Proportional to 7,243,374,428.40, 10,865,061,642.60 and 5,139,151,503.60

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Solution

The fourth proportional to 7,243,374,428.40, 10,865,061,642.60 and 5,139,151,503.60 is: 7,708,727,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,374,428.40 : 10,865,061,642.60 = 5,139,151,503.60 : x
  2. Step 2: Convert to fraction form
    7,243,374,428.40/10,865,061,642.60 = 5,139,151,503.60/x
  3. Step 3: Cross multiply
    7,243,374,428.40x = 10,865,061,642.60 × 5,139,151,503.60
  4. Step 4: Simplify right side
    7,243,374,428.40x = 55,837,197,877,274,484,736
  5. Step 5: Solve for x
    x = 55,837,197,877,274,484,736/7,243,374,428.40
  6. Step 6: Final answer
    x = 7,708,727,255.40

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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.