Home / 1,123,812,810.90-1,685,719,216.35-477,496,574.10

Finding the Fourth Proportional to 1,123,812,810.90, 1,685,719,216.35 and 477,496,574.10

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Solution

The fourth proportional to 1,123,812,810.90, 1,685,719,216.35 and 477,496,574.10 is: 716,244,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,812,810.90 : 1,685,719,216.35 = 477,496,574.10 : x
  2. Step 2: Convert to fraction form
    1,123,812,810.90/1,685,719,216.35 = 477,496,574.10/x
  3. Step 3: Cross multiply
    1,123,812,810.90x = 1,685,719,216.35 × 477,496,574.10
  4. Step 4: Simplify right side
    1,123,812,810.90x = 804,925,150,701,661,696
  5. Step 5: Solve for x
    x = 804,925,150,701,661,696/1,123,812,810.90
  6. Step 6: Final answer
    x = 716,244,861.15

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Double scale
Find fourth proportional to 1,123,812,811.90, 1,685,719,217.85 and 477,496,575.10
Similar ratio
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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.