Finding the Fourth Proportional to 2,553,712,406.36, 3,830,682,770.94 and 782,955,718.28
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Solution
The fourth proportional to 2,553,712,406.36, 3,830,682,770.94 and 782,955,718.28 is: 1,174,468,578.75
Step by Step Solution
- Step 1: Write the proportion equation
2,553,712,406.36 : 3,830,682,770.94 = 782,955,718.28 : x - Step 2: Convert to fraction form
2,553,712,406.36/3,830,682,770.94 = 782,955,718.28/x - Step 3: Cross multiply
2,553,712,406.36x = 3,830,682,770.94 × 782,955,718.28 - Step 4: Simplify right side
2,553,712,406.36x = 2,999,254,980,424,148,480 - Step 5: Solve for x
x = 2,999,254,980,424,148,480/2,553,712,406.36 - Step 6: Final answer
x = 1,174,468,578.75
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1.5x scale
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.