Finding the Fourth Proportional to 1,417,437,609.93, 2,126,258,578.14 and 544,038,979.59
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Solution
The fourth proportional to 1,417,437,609.93, 2,126,258,578.14 and 544,038,979.59 is: 816,097,681.54
Step by Step Solution
- Step 1: Write the proportion equation
1,417,437,609.93 : 2,126,258,578.14 = 544,038,979.59 : x - Step 2: Convert to fraction form
1,417,437,609.93/2,126,258,578.14 = 544,038,979.59/x - Step 3: Cross multiply
1,417,437,609.93x = 2,126,258,578.14 × 544,038,979.59 - Step 4: Simplify right side
1,417,437,609.93x = 1,156,767,547,195,770,112 - Step 5: Solve for x
x = 1,156,767,547,195,770,112/1,417,437,609.93 - Step 6: Final answer
x = 816,097,681.54
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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.