Home / 785,285,431.26-1,083,742,379.67-432,860,627.10

Finding the Fourth Proportional to 785,285,431.26, 1,083,742,379.67 and 432,860,627.10

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Solution

The fourth proportional to 785,285,431.26, 1,083,742,379.67 and 432,860,627.10 is: 597,374,390.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,285,431.26 : 1,083,742,379.67 = 432,860,627.10 : x
  2. Step 2: Convert to fraction form
    785,285,431.26/1,083,742,379.67 = 432,860,627.10/x
  3. Step 3: Cross multiply
    785,285,431.26x = 1,083,742,379.67 × 432,860,627.10
  4. Step 4: Simplify right side
    785,285,431.26x = 469,109,406,078,802,560
  5. Step 5: Solve for x
    x = 469,109,406,078,802,560/785,285,431.26
  6. Step 6: Final answer
    x = 597,374,390.77

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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.