Home / 1,259,716,492.80-1,889,574,739.20-797,150,246.40

Finding the Fourth Proportional to 1,259,716,492.80, 1,889,574,739.20 and 797,150,246.40

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Solution

The fourth proportional to 1,259,716,492.80, 1,889,574,739.20 and 797,150,246.40 is: 1,195,725,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,716,492.80 : 1,889,574,739.20 = 797,150,246.40 : x
  2. Step 2: Convert to fraction form
    1,259,716,492.80/1,889,574,739.20 = 797,150,246.40/x
  3. Step 3: Cross multiply
    1,259,716,492.80x = 1,889,574,739.20 × 797,150,246.40
  4. Step 4: Simplify right side
    1,259,716,492.80x = 1,506,274,968,944,495,616
  5. Step 5: Solve for x
    x = 1,506,274,968,944,495,616/1,259,716,492.80
  6. Step 6: Final answer
    x = 1,195,725,369.60

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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.