Finding the Fourth Proportional to 6,897,739,324.93, 9,518,884,438.61 and 3,725,924,642.67
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Solution
The fourth proportional to 6,897,739,324.93, 9,518,884,438.61 and 3,725,924,642.67 is: 5,141,778,259.48
Step by Step Solution
- Step 1: Write the proportion equation
6,897,739,324.93 : 9,518,884,438.61 = 3,725,924,642.67 : x - Step 2: Convert to fraction form
6,897,739,324.93/9,518,884,438.61 = 3,725,924,642.67/x - Step 3: Cross multiply
6,897,739,324.93x = 9,518,884,438.61 × 3,725,924,642.67 - Step 4: Simplify right side
6,897,739,324.93x = 35,466,646,100,506,705,920 - Step 5: Solve for x
x = 35,466,646,100,506,705,920/6,897,739,324.93 - Step 6: Final answer
x = 5,141,778,259.48
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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.