Home / 745,185,966.40-1,117,778,949.60-740,084,132.80

Finding the Fourth Proportional to 745,185,966.40, 1,117,778,949.60 and 740,084,132.80

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Solution

The fourth proportional to 745,185,966.40, 1,117,778,949.60 and 740,084,132.80 is: 1,110,126,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,185,966.40 : 1,117,778,949.60 = 740,084,132.80 : x
  2. Step 2: Convert to fraction form
    745,185,966.40/1,117,778,949.60 = 740,084,132.80/x
  3. Step 3: Cross multiply
    745,185,966.40x = 1,117,778,949.60 × 740,084,132.80
  4. Step 4: Simplify right side
    745,185,966.40x = 827,250,464,576,810,752
  5. Step 5: Solve for x
    x = 827,250,464,576,810,752/745,185,966.40
  6. Step 6: Final answer
    x = 1,110,126,199.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.