Home / 1,275,508,927.69-1,913,263,416.14-306,160,543.69

Finding the Fourth Proportional to 1,275,508,927.69, 1,913,263,416.14 and 306,160,543.69

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Solution

The fourth proportional to 1,275,508,927.69, 1,913,263,416.14 and 306,160,543.69 is: 459,240,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,508,927.69 : 1,913,263,416.14 = 306,160,543.69 : x
  2. Step 2: Convert to fraction form
    1,275,508,927.69/1,913,263,416.14 = 306,160,543.69/x
  3. Step 3: Cross multiply
    1,275,508,927.69x = 1,913,263,416.14 × 306,160,543.69
  4. Step 4: Simplify right side
    1,275,508,927.69x = 585,765,767,701,295,104
  5. Step 5: Solve for x
    x = 585,765,767,701,295,104/1,275,508,927.69
  6. Step 6: Final answer
    x = 459,240,821.44

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Double scale
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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.