Finding the Fourth Proportional to 647,211,785,475.04, 971,033,281,613.88 and 216,991,441,334.08
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Solution
The fourth proportional to 647,211,785,475.04, 971,033,281,613.88 and 216,991,441,334.08 is: 325,559,447,602.00
Step by Step Solution
- Step 1: Write the proportion equation
647,211,785,475.04 : 971,033,281,613.88 = 216,991,441,334.08 : x - Step 2: Convert to fraction form
647,211,785,475.04/971,033,281,613.88 = 216,991,441,334.08/x - Step 3: Cross multiply
647,211,785,475.04x = 971,033,281,613.88 × 216,991,441,334.08 - Step 4: Simplify right side
647,211,785,475.04x = 210,705,911,360,757,421,834,240 - Step 5: Solve for x
x = 210,705,911,360,757,421,834,240/647,211,785,475.04 - Step 6: Final answer
x = 325,559,447,602.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.