Home / 1,038,456,665.70-1,557,684,998.55-301,525,145.70

Finding the Fourth Proportional to 1,038,456,665.70, 1,557,684,998.55 and 301,525,145.70

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Solution

The fourth proportional to 1,038,456,665.70, 1,557,684,998.55 and 301,525,145.70 is: 452,287,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,456,665.70 : 1,557,684,998.55 = 301,525,145.70 : x
  2. Step 2: Convert to fraction form
    1,038,456,665.70/1,557,684,998.55 = 301,525,145.70/x
  3. Step 3: Cross multiply
    1,038,456,665.70x = 1,557,684,998.55 × 301,525,145.70
  4. Step 4: Simplify right side
    1,038,456,665.70x = 469,681,196,142,492,992
  5. Step 5: Solve for x
    x = 469,681,196,142,492,992/1,038,456,665.70
  6. Step 6: Final answer
    x = 452,287,718.55

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Double scale
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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.