Home / 1,216,365,357,065.60-1,678,585,854,997.40-660,170,492,547.70

Finding the Fourth Proportional to 1,216,365,357,065.60, 1,678,585,854,997.40 and 660,170,492,547.70

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Solution

The fourth proportional to 1,216,365,357,065.60, 1,678,585,854,997.40 and 660,170,492,547.70 is: 911,036,181,884.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,365,357,065.60 : 1,678,585,854,997.40 = 660,170,492,547.70 : x
  2. Step 2: Convert to fraction form
    1,216,365,357,065.60/1,678,585,854,997.40 = 660,170,492,547.70/x
  3. Step 3: Cross multiply
    1,216,365,357,065.60x = 1,678,585,854,997.40 × 660,170,492,547.70
  4. Step 4: Simplify right side
    1,216,365,357,065.60x = 1,108,152,850,677,235,493,896,192
  5. Step 5: Solve for x
    x = 1,108,152,850,677,235,493,896,192/1,216,365,357,065.60
  6. Step 6: Final answer
    x = 911,036,181,884.18

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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.