Home / 1,172,598,857.40-1,758,772,314.90-310,955,849.40

Finding the Fourth Proportional to 1,172,598,857.40, 1,758,772,314.90 and 310,955,849.40

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Solution

The fourth proportional to 1,172,598,857.40, 1,758,772,314.90 and 310,955,849.40 is: 466,400,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,598,857.40 : 1,758,772,314.90 = 310,955,849.40 : x
  2. Step 2: Convert to fraction form
    1,172,598,857.40/1,758,772,314.90 = 310,955,849.40/x
  3. Step 3: Cross multiply
    1,172,598,857.40x = 1,758,772,314.90 × 310,955,849.40
  4. Step 4: Simplify right side
    1,172,598,857.40x = 546,900,539,080,933,760
  5. Step 5: Solve for x
    x = 546,900,539,080,933,760/1,172,598,857.40
  6. Step 6: Final answer
    x = 466,400,368.40

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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.