Finding the Fourth Proportional to 6,208,632,217.20, 9,312,948,325.80 and 4,249,528,114.80
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Solution
The fourth proportional to 6,208,632,217.20, 9,312,948,325.80 and 4,249,528,114.80 is: 6,374,292,172.20
Step by Step Solution
- Step 1: Write the proportion equation
6,208,632,217.20 : 9,312,948,325.80 = 4,249,528,114.80 : x - Step 2: Convert to fraction form
6,208,632,217.20/9,312,948,325.80 = 4,249,528,114.80/x - Step 3: Cross multiply
6,208,632,217.20x = 9,312,948,325.80 × 4,249,528,114.80 - Step 4: Simplify right side
6,208,632,217.20x = 39,575,635,742,166,687,744 - Step 5: Solve for x
x = 39,575,635,742,166,687,744/6,208,632,217.20 - Step 6: Final answer
x = 6,374,292,172.20
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Double scale
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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.