Home / 1,700,640,075.20-2,550,960,112.80-1,289,470,078.40

Finding the Fourth Proportional to 1,700,640,075.20, 2,550,960,112.80 and 1,289,470,078.40

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Solution

The fourth proportional to 1,700,640,075.20, 2,550,960,112.80 and 1,289,470,078.40 is: 1,934,205,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,640,075.20 : 2,550,960,112.80 = 1,289,470,078.40 : x
  2. Step 2: Convert to fraction form
    1,700,640,075.20/2,550,960,112.80 = 1,289,470,078.40/x
  3. Step 3: Cross multiply
    1,700,640,075.20x = 2,550,960,112.80 × 1,289,470,078.40
  4. Step 4: Simplify right side
    1,700,640,075.20x = 3,289,386,736,647,489,536
  5. Step 5: Solve for x
    x = 3,289,386,736,647,489,536/1,700,640,075.20
  6. Step 6: Final answer
    x = 1,934,205,117.60

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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.