Home / 1,198,907,240.76-1,798,484,188.50-452,551,681.80

Finding the Fourth Proportional to 1,198,907,240.76, 1,798,484,188.50 and 452,551,681.80

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Solution

The fourth proportional to 1,198,907,240.76, 1,798,484,188.50 and 452,551,681.80 is: 678,874,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,907,240.76 : 1,798,484,188.50 = 452,551,681.80 : x
  2. Step 2: Convert to fraction form
    1,198,907,240.76/1,798,484,188.50 = 452,551,681.80/x
  3. Step 3: Cross multiply
    1,198,907,240.76x = 1,798,484,188.50 × 452,551,681.80
  4. Step 4: Simplify right side
    1,198,907,240.76x = 813,907,044,196,383,232
  5. Step 5: Solve for x
    x = 813,907,044,196,383,232/1,198,907,240.76
  6. Step 6: Final answer
    x = 678,874,075.10

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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.