Home / 1,021,943,802.98-1,410,544,844.96-665,599,557.38

Finding the Fourth Proportional to 1,021,943,802.98, 1,410,544,844.96 and 665,599,557.38

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Solution

The fourth proportional to 1,021,943,802.98, 1,410,544,844.96 and 665,599,557.38 is: 918,698,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,943,802.98 : 1,410,544,844.96 = 665,599,557.38 : x
  2. Step 2: Convert to fraction form
    1,021,943,802.98/1,410,544,844.96 = 665,599,557.38/x
  3. Step 3: Cross multiply
    1,021,943,802.98x = 1,410,544,844.96 × 665,599,557.38
  4. Step 4: Simplify right side
    1,021,943,802.98x = 938,858,024,459,635,968
  5. Step 5: Solve for x
    x = 938,858,024,459,635,968/1,021,943,802.98
  6. Step 6: Final answer
    x = 918,698,290.18

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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.