Finding the Fourth Proportional to 1,962,482,909.33, 2,708,455,374.88 and 1,115,837,089.59
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Solution
The fourth proportional to 1,962,482,909.33, 2,708,455,374.88 and 1,115,837,089.59 is: 1,539,985,366.71
Step by Step Solution
- Step 1: Write the proportion equation
1,962,482,909.33 : 2,708,455,374.88 = 1,115,837,089.59 : x - Step 2: Convert to fraction form
1,962,482,909.33/2,708,455,374.88 = 1,115,837,089.59/x - Step 3: Cross multiply
1,962,482,909.33x = 2,708,455,374.88 × 1,115,837,089.59 - Step 4: Simplify right side
1,962,482,909.33x = 3,022,194,962,782,555,648 - Step 5: Solve for x
x = 3,022,194,962,782,555,648/1,962,482,909.33 - Step 6: Final answer
x = 1,539,985,366.71
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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.