Finding the Fourth Proportional to 578,344,602.29, 798,116,496.03 and 314,027,106.53
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Solution
The fourth proportional to 578,344,602.29, 798,116,496.03 and 314,027,106.53 is: 433,357,920.05
Step by Step Solution
- Step 1: Write the proportion equation
578,344,602.29 : 798,116,496.03 = 314,027,106.53 : x - Step 2: Convert to fraction form
578,344,602.29/798,116,496.03 = 314,027,106.53/x - Step 3: Cross multiply
578,344,602.29x = 798,116,496.03 × 314,027,106.53 - Step 4: Simplify right side
578,344,602.29x = 250,630,213,918,172,512 - Step 5: Solve for x
x = 250,630,213,918,172,512/578,344,602.29 - Step 6: Final answer
x = 433,357,920.05
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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.