Finding the Fourth Proportional to 958,794,545.44, 1,322,759,986.88 and 556,839,866.88
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Solution
The fourth proportional to 958,794,545.44, 1,322,759,986.88 and 556,839,866.88 is: 768,220,364.32
Step by Step Solution
- Step 1: Write the proportion equation
958,794,545.44 : 1,322,759,986.88 = 556,839,866.88 : x - Step 2: Convert to fraction form
958,794,545.44/1,322,759,986.88 = 556,839,866.88/x - Step 3: Cross multiply
958,794,545.44x = 1,322,759,986.88 × 556,839,866.88 - Step 4: Simplify right side
958,794,545.44x = 736,565,495,008,449,792 - Step 5: Solve for x
x = 736,565,495,008,449,792/958,794,545.44 - Step 6: Final answer
x = 768,220,364.32
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Double scale
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1.5x scale
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.