Home / 860,054,626.32-1,186,841,198.52-507,744,106.80

Finding the Fourth Proportional to 860,054,626.32, 1,186,841,198.52 and 507,744,106.80

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Solution

The fourth proportional to 860,054,626.32, 1,186,841,198.52 and 507,744,106.80 is: 700,666,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,054,626.32 : 1,186,841,198.52 = 507,744,106.80 : x
  2. Step 2: Convert to fraction form
    860,054,626.32/1,186,841,198.52 = 507,744,106.80/x
  3. Step 3: Cross multiply
    860,054,626.32x = 1,186,841,198.52 × 507,744,106.80
  4. Step 4: Simplify right side
    860,054,626.32x = 602,611,624,255,978,880
  5. Step 5: Solve for x
    x = 602,611,624,255,978,880/860,054,626.32
  6. Step 6: Final answer
    x = 700,666,685.36

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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.