Home / 1,299,235,879.50-1,948,968,341.40-366,566,897.22

Finding the Fourth Proportional to 1,299,235,879.50, 1,948,968,341.40 and 366,566,897.22

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Solution

The fourth proportional to 1,299,235,879.50, 1,948,968,341.40 and 366,566,897.22 is: 549,882,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,235,879.50 : 1,948,968,341.40 = 366,566,897.22 : x
  2. Step 2: Convert to fraction form
    1,299,235,879.50/1,948,968,341.40 = 366,566,897.22/x
  3. Step 3: Cross multiply
    1,299,235,879.50x = 1,948,968,341.40 × 366,566,897.22
  4. Step 4: Simplify right side
    1,299,235,879.50x = 714,427,277,687,007,744
  5. Step 5: Solve for x
    x = 714,427,277,687,007,744/1,299,235,879.50
  6. Step 6: Final answer
    x = 549,882,657.15

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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.