Home / 1,216,365,357,066.10-1,678,585,854,998.10-660,170,492,548.20

Finding the Fourth Proportional to 1,216,365,357,066.10, 1,678,585,854,998.10 and 660,170,492,548.20

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Solution

The fourth proportional to 1,216,365,357,066.10, 1,678,585,854,998.10 and 660,170,492,548.20 is: 911,036,181,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,365,357,066.10 : 1,678,585,854,998.10 = 660,170,492,548.20 : x
  2. Step 2: Convert to fraction form
    1,216,365,357,066.10/1,678,585,854,998.10 = 660,170,492,548.20/x
  3. Step 3: Cross multiply
    1,216,365,357,066.10x = 1,678,585,854,998.10 × 660,170,492,548.20
  4. Step 4: Simplify right side
    1,216,365,357,066.10x = 1,108,152,850,678,537,137,422,336
  5. Step 5: Solve for x
    x = 1,108,152,850,678,537,137,422,336/1,216,365,357,066.10
  6. Step 6: Final answer
    x = 911,036,181,884.88

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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.