Home / 966,873,875.40-1,450,310,813.10-320,641,619.40

Finding the Fourth Proportional to 966,873,875.40, 1,450,310,813.10 and 320,641,619.40

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Solution

The fourth proportional to 966,873,875.40, 1,450,310,813.10 and 320,641,619.40 is: 480,962,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,873,875.40 : 1,450,310,813.10 = 320,641,619.40 : x
  2. Step 2: Convert to fraction form
    966,873,875.40/1,450,310,813.10 = 320,641,619.40/x
  3. Step 3: Cross multiply
    966,873,875.40x = 1,450,310,813.10 × 320,641,619.40
  4. Step 4: Simplify right side
    966,873,875.40x = 465,030,007,745,714,688
  5. Step 5: Solve for x
    x = 465,030,007,745,714,688/966,873,875.40
  6. Step 6: Final answer
    x = 480,962,429.10

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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.