Finding the Fourth Proportional to 1,124,938,303.66, 1,552,414,319.08 and 672,816,263.14
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Solution
The fourth proportional to 1,124,938,303.66, 1,552,414,319.08 and 672,816,263.14 is: 928,486,120.18
Step by Step Solution
- Step 1: Write the proportion equation
1,124,938,303.66 : 1,552,414,319.08 = 672,816,263.14 : x - Step 2: Convert to fraction form
1,124,938,303.66/1,552,414,319.08 = 672,816,263.14/x - Step 3: Cross multiply
1,124,938,303.66x = 1,552,414,319.08 × 672,816,263.14 - Step 4: Simplify right side
1,124,938,303.66x = 1,044,489,601,008,433,152 - Step 5: Solve for x
x = 1,044,489,601,008,433,152/1,124,938,303.66 - Step 6: Final answer
x = 928,486,120.18
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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.