Finding the Fourth Proportional to 276,299,878.59, 381,465,910.55 and 175,884,973.53
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Solution
The fourth proportional to 276,299,878.59, 381,465,910.55 and 175,884,973.53 is: 242,830,803.70
Step by Step Solution
- Step 1: Write the proportion equation
276,299,878.59 : 381,465,910.55 = 175,884,973.53 : x - Step 2: Convert to fraction form
276,299,878.59/381,465,910.55 = 175,884,973.53/x - Step 3: Cross multiply
276,299,878.59x = 381,465,910.55 × 175,884,973.53 - Step 4: Simplify right side
276,299,878.59x = 67,094,121,579,684,104 - Step 5: Solve for x
x = 67,094,121,579,684,104/276,299,878.59 - Step 6: Final answer
x = 242,830,803.70
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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.