Home / 1,310,979,413,287.90-1,966,318,905,364.40-342,981,303,066.08

Finding the Fourth Proportional to 1,310,979,413,287.90, 1,966,318,905,364.40 and 342,981,303,066.08

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Solution

The fourth proportional to 1,310,979,413,287.90, 1,966,318,905,364.40 and 342,981,303,066.08 is: 514,432,655,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,979,413,287.90 : 1,966,318,905,364.40 = 342,981,303,066.08 : x
  2. Step 2: Convert to fraction form
    1,310,979,413,287.90/1,966,318,905,364.40 = 342,981,303,066.08/x
  3. Step 3: Cross multiply
    1,310,979,413,287.90x = 1,966,318,905,364.40 × 342,981,303,066.08
  4. Step 4: Simplify right side
    1,310,979,413,287.90x = 674,410,620,405,350,018,318,336
  5. Step 5: Solve for x
    x = 674,410,620,405,350,018,318,336/1,310,979,413,287.90
  6. Step 6: Final answer
    x = 514,432,655,135.25

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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.