Home / 1,216,365,357,376.60-1,678,585,855,424.70-660,170,492,856.66

Finding the Fourth Proportional to 1,216,365,357,376.60, 1,678,585,855,424.70 and 660,170,492,856.66

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Solution

The fourth proportional to 1,216,365,357,376.60, 1,678,585,855,424.70 and 660,170,492,856.66 is: 911,036,182,309.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,365,357,376.60 : 1,678,585,855,424.70 = 660,170,492,856.66 : x
  2. Step 2: Convert to fraction form
    1,216,365,357,376.60/1,678,585,855,424.70 = 660,170,492,856.66/x
  3. Step 3: Cross multiply
    1,216,365,357,376.60x = 1,678,585,855,424.70 × 660,170,492,856.66
  4. Step 4: Simplify right side
    1,216,365,357,376.60x = 1,108,152,851,477,942,488,793,088
  5. Step 5: Solve for x
    x = 1,108,152,851,477,942,488,793,088/1,216,365,357,376.60
  6. Step 6: Final answer
    x = 911,036,182,309.53

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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.