Home / 1,216,365,357,016.50-1,678,585,854,929.70-660,170,492,498.40

Finding the Fourth Proportional to 1,216,365,357,016.50, 1,678,585,854,929.70 and 660,170,492,498.40

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Solution

The fourth proportional to 1,216,365,357,016.50, 1,678,585,854,929.70 and 660,170,492,498.40 is: 911,036,181,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,365,357,016.50 : 1,678,585,854,929.70 = 660,170,492,498.40 : x
  2. Step 2: Convert to fraction form
    1,216,365,357,016.50/1,678,585,854,929.70 = 660,170,492,498.40/x
  3. Step 3: Cross multiply
    1,216,365,357,016.50x = 1,678,585,854,929.70 × 660,170,492,498.40
  4. Step 4: Simplify right side
    1,216,365,357,016.50x = 1,108,152,850,549,787,842,314,240
  5. Step 5: Solve for x
    x = 1,108,152,850,549,787,842,314,240/1,216,365,357,016.50
  6. Step 6: Final answer
    x = 911,036,181,816.18

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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.