Home / 674,959,665.20-1,012,439,497.80-470,718,359.60

Finding the Fourth Proportional to 674,959,665.20, 1,012,439,497.80 and 470,718,359.60

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Solution

The fourth proportional to 674,959,665.20, 1,012,439,497.80 and 470,718,359.60 is: 706,077,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,959,665.20 : 1,012,439,497.80 = 470,718,359.60 : x
  2. Step 2: Convert to fraction form
    674,959,665.20/1,012,439,497.80 = 470,718,359.60/x
  3. Step 3: Cross multiply
    674,959,665.20x = 1,012,439,497.80 × 470,718,359.60
  4. Step 4: Simplify right side
    674,959,665.20x = 476,573,859,598,663,808
  5. Step 5: Solve for x
    x = 476,573,859,598,663,808/674,959,665.20
  6. Step 6: Final answer
    x = 706,077,539.40

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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.