Home / 1,547,338,889.20-2,321,008,333.80-772,497,911.20

Finding the Fourth Proportional to 1,547,338,889.20, 2,321,008,333.80 and 772,497,911.20

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Solution

The fourth proportional to 1,547,338,889.20, 2,321,008,333.80 and 772,497,911.20 is: 1,158,746,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,338,889.20 : 2,321,008,333.80 = 772,497,911.20 : x
  2. Step 2: Convert to fraction form
    1,547,338,889.20/2,321,008,333.80 = 772,497,911.20/x
  3. Step 3: Cross multiply
    1,547,338,889.20x = 2,321,008,333.80 × 772,497,911.20
  4. Step 4: Simplify right side
    1,547,338,889.20x = 1,792,974,089,738,292,736
  5. Step 5: Solve for x
    x = 1,792,974,089,738,292,736/1,547,338,889.20
  6. Step 6: Final answer
    x = 1,158,746,866.80

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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.