Home / 1,391,012,117.60-2,086,518,176.40-746,039,573.60

Finding the Fourth Proportional to 1,391,012,117.60, 2,086,518,176.40 and 746,039,573.60

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Solution

The fourth proportional to 1,391,012,117.60, 2,086,518,176.40 and 746,039,573.60 is: 1,119,059,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,012,117.60 : 2,086,518,176.40 = 746,039,573.60 : x
  2. Step 2: Convert to fraction form
    1,391,012,117.60/2,086,518,176.40 = 746,039,573.60/x
  3. Step 3: Cross multiply
    1,391,012,117.60x = 2,086,518,176.40 × 746,039,573.60
  4. Step 4: Simplify right side
    1,391,012,117.60x = 1,556,625,130,630,105,600
  5. Step 5: Solve for x
    x = 1,556,625,130,630,105,600/1,391,012,117.60
  6. Step 6: Final answer
    x = 1,119,059,360.40

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Double scale
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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.