Home / 764,586,216.90-1,145,178,714.15-628,537,320.90

Finding the Fourth Proportional to 764,586,216.90, 1,145,178,714.15 and 628,537,320.90

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Solution

The fourth proportional to 764,586,216.90, 1,145,178,714.15 and 628,537,320.90 is: 941,407,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,586,216.90 : 1,145,178,714.15 = 628,537,320.90 : x
  2. Step 2: Convert to fraction form
    764,586,216.90/1,145,178,714.15 = 628,537,320.90/x
  3. Step 3: Cross multiply
    764,586,216.90x = 1,145,178,714.15 × 628,537,320.90
  4. Step 4: Simplify right side
    764,586,216.90x = 719,787,560,943,547,904
  5. Step 5: Solve for x
    x = 719,787,560,943,547,904/764,586,216.90
  6. Step 6: Final answer
    x = 941,407,973.40

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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.