Home / 1,175,560,349.40-1,621,908,005.40-666,839,282.64

Finding the Fourth Proportional to 1,175,560,349.40, 1,621,908,005.40 and 666,839,282.64

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Solution

The fourth proportional to 1,175,560,349.40, 1,621,908,005.40 and 666,839,282.64 is: 920,031,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,560,349.40 : 1,621,908,005.40 = 666,839,282.64 : x
  2. Step 2: Convert to fraction form
    1,175,560,349.40/1,621,908,005.40 = 666,839,282.64/x
  3. Step 3: Cross multiply
    1,175,560,349.40x = 1,621,908,005.40 × 666,839,282.64
  4. Step 4: Simplify right side
    1,175,560,349.40x = 1,081,551,970,829,009,280
  5. Step 5: Solve for x
    x = 1,081,551,970,829,009,280/1,175,560,349.40
  6. Step 6: Final answer
    x = 920,031,005.96

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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.