Home / 1,357,240,979.10-2,035,861,468.65-668,493,443.10

Finding the Fourth Proportional to 1,357,240,979.10, 2,035,861,468.65 and 668,493,443.10

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Solution

The fourth proportional to 1,357,240,979.10, 2,035,861,468.65 and 668,493,443.10 is: 1,002,740,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,240,979.10 : 2,035,861,468.65 = 668,493,443.10 : x
  2. Step 2: Convert to fraction form
    1,357,240,979.10/2,035,861,468.65 = 668,493,443.10/x
  3. Step 3: Cross multiply
    1,357,240,979.10x = 2,035,861,468.65 × 668,493,443.10
  4. Step 4: Simplify right side
    1,357,240,979.10x = 1,360,960,042,852,461,312
  5. Step 5: Solve for x
    x = 1,360,960,042,852,461,312/1,357,240,979.10
  6. Step 6: Final answer
    x = 1,002,740,164.65

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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.