Finding the Fourth Proportional to 4,970,360,420.19, 6,859,243,152.54 and 2,712,445,734.06
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Solution
The fourth proportional to 4,970,360,420.19, 6,859,243,152.54 and 2,712,445,734.06 is: 3,743,254,664.67
Step by Step Solution
- Step 1: Write the proportion equation
4,970,360,420.19 : 6,859,243,152.54 = 2,712,445,734.06 : x - Step 2: Convert to fraction form
4,970,360,420.19/6,859,243,152.54 = 2,712,445,734.06/x - Step 3: Cross multiply
4,970,360,420.19x = 6,859,243,152.54 × 2,712,445,734.06 - Step 4: Simplify right side
4,970,360,420.19x = 18,605,324,827,987,386,368 - Step 5: Solve for x
x = 18,605,324,827,987,386,368/4,970,360,420.19 - Step 6: Final answer
x = 3,743,254,664.67
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1.5x scale
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.