Home / 1,175,560,400.22-1,621,908,075.06-666,839,333.40

Finding the Fourth Proportional to 1,175,560,400.22, 1,621,908,075.06 and 666,839,333.40

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Solution

The fourth proportional to 1,175,560,400.22, 1,621,908,075.06 and 666,839,333.40 is: 920,031,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,560,400.22 : 1,621,908,075.06 = 666,839,333.40 : x
  2. Step 2: Convert to fraction form
    1,175,560,400.22/1,621,908,075.06 = 666,839,333.40/x
  3. Step 3: Cross multiply
    1,175,560,400.22x = 1,621,908,075.06 × 666,839,333.40
  4. Step 4: Simplify right side
    1,175,560,400.22x = 1,081,552,099,609,087,488
  5. Step 5: Solve for x
    x = 1,081,552,099,609,087,488/1,175,560,400.22
  6. Step 6: Final answer
    x = 920,031,075.74

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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.