Home / 1,787,235,684.42-2,466,407,558.01-983,555,645.70

Finding the Fourth Proportional to 1,787,235,684.42, 2,466,407,558.01 and 983,555,645.70

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Solution

The fourth proportional to 1,787,235,684.42, 2,466,407,558.01 and 983,555,645.70 is: 1,357,319,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,235,684.42 : 2,466,407,558.01 = 983,555,645.70 : x
  2. Step 2: Convert to fraction form
    1,787,235,684.42/2,466,407,558.01 = 983,555,645.70/x
  3. Step 3: Cross multiply
    1,787,235,684.42x = 2,466,407,558.01 × 983,555,645.70
  4. Step 4: Simplify right side
    1,787,235,684.42x = 2,425,849,078,277,885,952
  5. Step 5: Solve for x
    x = 2,425,849,078,277,885,952/1,787,235,684.42
  6. Step 6: Final answer
    x = 1,357,319,070.69

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Double scale
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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.