Finding the Fourth Proportional to 549,357,788.63, 757,926,249.50 and 340,437,702.71
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Solution
The fourth proportional to 549,357,788.63, 757,926,249.50 and 340,437,702.71 is: 469,687,836.49
Step by Step Solution
- Step 1: Write the proportion equation
549,357,788.63 : 757,926,249.50 = 340,437,702.71 : x - Step 2: Convert to fraction form
549,357,788.63/757,926,249.50 = 340,437,702.71/x - Step 3: Cross multiply
549,357,788.63x = 757,926,249.50 × 340,437,702.71 - Step 4: Simplify right side
549,357,788.63x = 258,026,671,197,894,464 - Step 5: Solve for x
x = 258,026,671,197,894,464/549,357,788.63 - Step 6: Final answer
x = 469,687,836.49
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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.