Home / 1,159,575,390.60-1,739,363,085.90-393,670,494.60

Finding the Fourth Proportional to 1,159,575,390.60, 1,739,363,085.90 and 393,670,494.60

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Solution

The fourth proportional to 1,159,575,390.60, 1,739,363,085.90 and 393,670,494.60 is: 590,505,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,575,390.60 : 1,739,363,085.90 = 393,670,494.60 : x
  2. Step 2: Convert to fraction form
    1,159,575,390.60/1,739,363,085.90 = 393,670,494.60/x
  3. Step 3: Cross multiply
    1,159,575,390.60x = 1,739,363,085.90 × 393,670,494.60
  4. Step 4: Simplify right side
    1,159,575,390.60x = 684,735,926,315,235,328
  5. Step 5: Solve for x
    x = 684,735,926,315,235,328/1,159,575,390.60
  6. Step 6: Final answer
    x = 590,505,741.90

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Double scale
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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.