Finding the Fourth Proportional to 873,690,726.84, 1,310,540,989.47 and 291,423,373.93
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Solution
The fourth proportional to 873,690,726.84, 1,310,540,989.47 and 291,423,373.93 is: 437,136,695.05
Step by Step Solution
- Step 1: Write the proportion equation
873,690,726.84 : 1,310,540,989.47 = 291,423,373.93 : x - Step 2: Convert to fraction form
873,690,726.84/1,310,540,989.47 = 291,423,373.93/x - Step 3: Cross multiply
873,690,726.84x = 1,310,540,989.47 × 291,423,373.93 - Step 4: Simplify right side
873,690,726.84x = 381,922,276,824,908,032 - Step 5: Solve for x
x = 381,922,276,824,908,032/873,690,726.84 - Step 6: Final answer
x = 437,136,695.05
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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.