Finding the Fourth Proportional to 526,584,991.23, 726,689,715.48 and 291,630,726.09
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Solution
The fourth proportional to 526,584,991.23, 726,689,715.48 and 291,630,726.09 is: 402,451,746.44
Step by Step Solution
- Step 1: Write the proportion equation
526,584,991.23 : 726,689,715.48 = 291,630,726.09 : x - Step 2: Convert to fraction form
526,584,991.23/726,689,715.48 = 291,630,726.09/x - Step 3: Cross multiply
526,584,991.23x = 726,689,715.48 × 291,630,726.09 - Step 4: Simplify right side
526,584,991.23x = 211,925,049,367,567,904 - Step 5: Solve for x
x = 211,925,049,367,567,904/526,584,991.23 - Step 6: Final answer
x = 402,451,746.44
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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.