Finding the Fourth Proportional to 9,506,271,894.12, 13,117,996,899.99 and 5,276,850,658.74
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Solution
The fourth proportional to 9,506,271,894.12, 13,117,996,899.99 and 5,276,850,658.74 is: 7,281,688,484.62
Step by Step Solution
- Step 1: Write the proportion equation
9,506,271,894.12 : 13,117,996,899.99 = 5,276,850,658.74 : x - Step 2: Convert to fraction form
9,506,271,894.12/13,117,996,899.99 = 5,276,850,658.74/x - Step 3: Cross multiply
9,506,271,894.12x = 13,117,996,899.99 × 5,276,850,658.74 - Step 4: Simplify right side
9,506,271,894.12x = 69,221,710,583,061,504,000 - Step 5: Solve for x
x = 69,221,710,583,061,504,000/9,506,271,894.12 - Step 6: Final answer
x = 7,281,688,484.62
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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.