Home / 1,331,926,256.40-1,997,889,384.60-565,921,827.60

Finding the Fourth Proportional to 1,331,926,256.40, 1,997,889,384.60 and 565,921,827.60

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Solution

The fourth proportional to 1,331,926,256.40, 1,997,889,384.60 and 565,921,827.60 is: 848,882,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,926,256.40 : 1,997,889,384.60 = 565,921,827.60 : x
  2. Step 2: Convert to fraction form
    1,331,926,256.40/1,997,889,384.60 = 565,921,827.60/x
  3. Step 3: Cross multiply
    1,331,926,256.40x = 1,997,889,384.60 × 565,921,827.60
  4. Step 4: Simplify right side
    1,331,926,256.40x = 1,130,649,211,875,471,232
  5. Step 5: Solve for x
    x = 1,130,649,211,875,471,232/1,331,926,256.40
  6. Step 6: Final answer
    x = 848,882,741.40

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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.