Home / 745,185,946.40-1,117,778,919.60-740,084,112.80

Finding the Fourth Proportional to 745,185,946.40, 1,117,778,919.60 and 740,084,112.80

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Solution

The fourth proportional to 745,185,946.40, 1,117,778,919.60 and 740,084,112.80 is: 1,110,126,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,185,946.40 : 1,117,778,919.60 = 740,084,112.80 : x
  2. Step 2: Convert to fraction form
    745,185,946.40/1,117,778,919.60 = 740,084,112.80/x
  3. Step 3: Cross multiply
    745,185,946.40x = 1,117,778,919.60 × 740,084,112.80
  4. Step 4: Simplify right side
    745,185,946.40x = 827,250,420,018,708,352
  5. Step 5: Solve for x
    x = 827,250,420,018,708,352/745,185,946.40
  6. Step 6: Final answer
    x = 1,110,126,169.20

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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.