Home / 1,443,513,365.32-1,991,820,904.98-840,783,184.20

Finding the Fourth Proportional to 1,443,513,365.32, 1,991,820,904.98 and 840,783,184.20

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Solution

The fourth proportional to 1,443,513,365.32, 1,991,820,904.98 and 840,783,184.20 is: 1,160,148,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,513,365.32 : 1,991,820,904.98 = 840,783,184.20 : x
  2. Step 2: Convert to fraction form
    1,443,513,365.32/1,991,820,904.98 = 840,783,184.20/x
  3. Step 3: Cross multiply
    1,443,513,365.32x = 1,991,820,904.98 × 840,783,184.20
  4. Step 4: Simplify right side
    1,443,513,365.32x = 1,674,689,522,845,210,112
  5. Step 5: Solve for x
    x = 1,674,689,522,845,210,112/1,443,513,365.32
  6. Step 6: Final answer
    x = 1,160,148,262.62

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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.