Home / 1,963,303,396.40-2,944,955,094.60-509,280,820.40

Finding the Fourth Proportional to 1,963,303,396.40, 2,944,955,094.60 and 509,280,820.40

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Solution

The fourth proportional to 1,963,303,396.40, 2,944,955,094.60 and 509,280,820.40 is: 763,921,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,303,396.40 : 2,944,955,094.60 = 509,280,820.40 : x
  2. Step 2: Convert to fraction form
    1,963,303,396.40/2,944,955,094.60 = 509,280,820.40/x
  3. Step 3: Cross multiply
    1,963,303,396.40x = 2,944,955,094.60 × 509,280,820.40
  4. Step 4: Simplify right side
    1,963,303,396.40x = 1,499,809,146,619,047,424
  5. Step 5: Solve for x
    x = 1,499,809,146,619,047,424/1,963,303,396.40
  6. Step 6: Final answer
    x = 763,921,230.60

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Double scale
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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.