Home / 1,494,621,953.30-2,241,932,929.95-978,643,918.10

Finding the Fourth Proportional to 1,494,621,953.30, 2,241,932,929.95 and 978,643,918.10

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Solution

The fourth proportional to 1,494,621,953.30, 2,241,932,929.95 and 978,643,918.10 is: 1,467,965,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,621,953.30 : 2,241,932,929.95 = 978,643,918.10 : x
  2. Step 2: Convert to fraction form
    1,494,621,953.30/2,241,932,929.95 = 978,643,918.10/x
  3. Step 3: Cross multiply
    1,494,621,953.30x = 2,241,932,929.95 × 978,643,918.10
  4. Step 4: Simplify right side
    1,494,621,953.30x = 2,194,054,026,683,680,768
  5. Step 5: Solve for x
    x = 2,194,054,026,683,680,768/1,494,621,953.30
  6. Step 6: Final answer
    x = 1,467,965,877.15

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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.