Finding the Fourth Proportional to 1,568,438,248.60, 2,164,497,904.86 and 854,001,509.75
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Solution
The fourth proportional to 1,568,438,248.60, 2,164,497,904.86 and 854,001,509.75 is: 1,178,551,007.82
Step by Step Solution
- Step 1: Write the proportion equation
1,568,438,248.60 : 2,164,497,904.86 = 854,001,509.75 : x - Step 2: Convert to fraction form
1,568,438,248.60/2,164,497,904.86 = 854,001,509.75/x - Step 3: Cross multiply
1,568,438,248.60x = 2,164,497,904.86 × 854,001,509.75 - Step 4: Simplify right side
1,568,438,248.60x = 1,848,484,478,595,201,280 - Step 5: Solve for x
x = 1,848,484,478,595,201,280/1,568,438,248.60 - Step 6: Final answer
x = 1,178,551,007.82
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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.