Finding the Fourth Proportional to 316,209,274,551.74, 436,368,798,881.36 and 180,878,454,987.93
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Solution
The fourth proportional to 316,209,274,551.74, 436,368,798,881.36 and 180,878,454,987.93 is: 249,612,267,883.32
Step by Step Solution
- Step 1: Write the proportion equation
316,209,274,551.74 : 436,368,798,881.36 = 180,878,454,987.93 : x - Step 2: Convert to fraction form
316,209,274,551.74/436,368,798,881.36 = 180,878,454,987.93/x - Step 3: Cross multiply
316,209,274,551.74x = 436,368,798,881.36 × 180,878,454,987.93 - Step 4: Simplify right side
316,209,274,551.74x = 78,929,714,146,599,141,113,856 - Step 5: Solve for x
x = 78,929,714,146,599,141,113,856/316,209,274,551.74 - Step 6: Final answer
x = 249,612,267,883.32
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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.