Home / 1,787,235,685.42-2,466,407,559.39-983,555,646.70

Finding the Fourth Proportional to 1,787,235,685.42, 2,466,407,559.39 and 983,555,646.70

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Solution

The fourth proportional to 1,787,235,685.42, 2,466,407,559.39 and 983,555,646.70 is: 1,357,319,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,235,685.42 : 2,466,407,559.39 = 983,555,646.70 : x
  2. Step 2: Convert to fraction form
    1,787,235,685.42/2,466,407,559.39 = 983,555,646.70/x
  3. Step 3: Cross multiply
    1,787,235,685.42x = 2,466,407,559.39 × 983,555,646.70
  4. Step 4: Simplify right side
    1,787,235,685.42x = 2,425,849,082,101,600,256
  5. Step 5: Solve for x
    x = 2,425,849,082,101,600,256/1,787,235,685.42
  6. Step 6: Final answer
    x = 1,357,319,072.07

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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.