Finding the Fourth Proportional to 2,115,319,177.13, 2,916,063,869.74 and 1,478,261,782.53
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Solution
The fourth proportional to 2,115,319,177.13, 2,916,063,869.74 and 1,478,261,782.53 is: 2,037,851,223.90
Step by Step Solution
- Step 1: Write the proportion equation
2,115,319,177.13 : 2,916,063,869.74 = 1,478,261,782.53 : x - Step 2: Convert to fraction form
2,115,319,177.13/2,916,063,869.74 = 1,478,261,782.53/x - Step 3: Cross multiply
2,115,319,177.13x = 2,916,063,869.74 × 1,478,261,782.53 - Step 4: Simplify right side
2,115,319,177.13x = 4,310,705,774,049,486,848 - Step 5: Solve for x
x = 4,310,705,774,049,486,848/2,115,319,177.13 - Step 6: Final answer
x = 2,037,851,223.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.