Finding the Fourth Proportional to 659,698,877.12, 910,395,366.59 and 362,368,594.49
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Solution
The fourth proportional to 659,698,877.12, 910,395,366.59 and 362,368,594.49 is: 500,074,656.58
Step by Step Solution
- Step 1: Write the proportion equation
659,698,877.12 : 910,395,366.59 = 362,368,594.49 : x - Step 2: Convert to fraction form
659,698,877.12/910,395,366.59 = 362,368,594.49/x - Step 3: Cross multiply
659,698,877.12x = 910,395,366.59 × 362,368,594.49 - Step 4: Simplify right side
659,698,877.12x = 329,898,689,419,614,784 - Step 5: Solve for x
x = 329,898,689,419,614,784/659,698,877.12 - Step 6: Final answer
x = 500,074,656.58
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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.