Home / 1,025,818,879.84-1,415,631,264.86-555,920,200.80

Finding the Fourth Proportional to 1,025,818,879.84, 1,415,631,264.86 and 555,920,200.80

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Solution

The fourth proportional to 1,025,818,879.84, 1,415,631,264.86 and 555,920,200.80 is: 767,170,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,818,879.84 : 1,415,631,264.86 = 555,920,200.80 : x
  2. Step 2: Convert to fraction form
    1,025,818,879.84/1,415,631,264.86 = 555,920,200.80/x
  3. Step 3: Cross multiply
    1,025,818,879.84x = 1,415,631,264.86 × 555,920,200.80
  4. Step 4: Simplify right side
    1,025,818,879.84x = 786,978,017,021,118,848
  5. Step 5: Solve for x
    x = 786,978,017,021,118,848/1,025,818,879.84
  6. Step 6: Final answer
    x = 767,170,533.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.