Finding the Fourth Proportional to 5,277,211,132.80, 7,916,712,494.40 and 1,596,687,254.40
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Solution
The fourth proportional to 5,277,211,132.80, 7,916,712,494.40 and 1,596,687,254.40 is: 2,395,301,915.82
Step by Step Solution
- Step 1: Write the proportion equation
5,277,211,132.80 : 7,916,712,494.40 = 1,596,687,254.40 : x - Step 2: Convert to fraction form
5,277,211,132.80/7,916,712,494.40 = 1,596,687,254.40/x - Step 3: Cross multiply
5,277,211,132.80x = 7,916,712,494.40 × 1,596,687,254.40 - Step 4: Simplify right side
5,277,211,132.80x = 12,640,513,936,557,711,360 - Step 5: Solve for x
x = 12,640,513,936,557,711,360/5,277,211,132.80 - Step 6: Final answer
x = 2,395,301,915.82
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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.