Home / 919,461,175.20-1,379,191,762.80-874,111,543.20

Finding the Fourth Proportional to 919,461,175.20, 1,379,191,762.80 and 874,111,543.20

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Solution

The fourth proportional to 919,461,175.20, 1,379,191,762.80 and 874,111,543.20 is: 1,311,167,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,461,175.20 : 1,379,191,762.80 = 874,111,543.20 : x
  2. Step 2: Convert to fraction form
    919,461,175.20/1,379,191,762.80 = 874,111,543.20/x
  3. Step 3: Cross multiply
    919,461,175.20x = 1,379,191,762.80 × 874,111,543.20
  4. Step 4: Simplify right side
    919,461,175.20x = 1,205,567,440,149,836,288
  5. Step 5: Solve for x
    x = 1,205,567,440,149,836,288/919,461,175.20
  6. Step 6: Final answer
    x = 1,311,167,314.80

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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.