Finding the Fourth Proportional to 418,326,708.04, 627,566,675.28 and 172,549,268.08
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Solution
The fourth proportional to 418,326,708.04, 627,566,675.28 and 172,549,268.08 is: 258,855,503.15
Step by Step Solution
- Step 1: Write the proportion equation
418,326,708.04 : 627,566,675.28 = 172,549,268.08 : x - Step 2: Convert to fraction form
418,326,708.04/627,566,675.28 = 172,549,268.08/x - Step 3: Cross multiply
418,326,708.04x = 627,566,675.28 × 172,549,268.08 - Step 4: Simplify right side
418,326,708.04x = 108,286,170,490,963,040 - Step 5: Solve for x
x = 108,286,170,490,963,040/418,326,708.04 - Step 6: Final answer
x = 258,855,503.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.