Finding the Fourth Proportional to 619,025,317.26, 854,254,909.08 and 340,560,862.08
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Solution
The fourth proportional to 619,025,317.26, 854,254,909.08 and 340,560,862.08 is: 469,973,973.86
Step by Step Solution
- Step 1: Write the proportion equation
619,025,317.26 : 854,254,909.08 = 340,560,862.08 : x - Step 2: Convert to fraction form
619,025,317.26/854,254,909.08 = 340,560,862.08/x - Step 3: Cross multiply
619,025,317.26x = 854,254,909.08 × 340,560,862.08 - Step 4: Simplify right side
619,025,317.26x = 290,925,788,272,356,800 - Step 5: Solve for x
x = 290,925,788,272,356,800/619,025,317.26 - Step 6: Final answer
x = 469,973,973.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.