Home / 1,216,365,357,376.10-1,678,585,855,424-660,170,492,856.15

Finding the Fourth Proportional to 1,216,365,357,376.10, 1,678,585,855,424 and 660,170,492,856.15

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Solution

The fourth proportional to 1,216,365,357,376.10, 1,678,585,855,424 and 660,170,492,856.15 is: 911,036,182,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,365,357,376.10 : 1,678,585,855,424 = 660,170,492,856.15 : x
  2. Step 2: Convert to fraction form
    1,216,365,357,376.10/1,678,585,855,424 = 660,170,492,856.15/x
  3. Step 3: Cross multiply
    1,216,365,357,376.10x = 1,678,585,855,424 × 660,170,492,856.15
  4. Step 4: Simplify right side
    1,216,365,357,376.10x = 1,108,152,851,476,624,336,486,400
  5. Step 5: Solve for x
    x = 1,108,152,851,476,624,336,486,400/1,216,365,357,376.10
  6. Step 6: Final answer
    x = 911,036,182,308.82

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.