Home / 19,211,865,853.76-26,508,604,365.60-12,071,142,244.16

Finding the Fourth Proportional to 19,211,865,853.76, 26,508,604,365.60 and 12,071,142,244.16

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Solution

The fourth proportional to 19,211,865,853.76, 26,508,604,365.60 and 12,071,142,244.16 is: 16,655,807,219.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,865,853.76 : 26,508,604,365.60 = 12,071,142,244.16 : x
  2. Step 2: Convert to fraction form
    19,211,865,853.76/26,508,604,365.60 = 12,071,142,244.16/x
  3. Step 3: Cross multiply
    19,211,865,853.76x = 26,508,604,365.60 × 12,071,142,244.16
  4. Step 4: Simplify right side
    19,211,865,853.76x = 319,989,133,991,318,323,200
  5. Step 5: Solve for x
    x = 319,989,133,991,318,323,200/19,211,865,853.76
  6. Step 6: Final answer
    x = 16,655,807,219.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.