Finding the Fourth Proportional to 17,006,346,237.30, 25,509,519,355.95 and 15,292,130,147.70
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Solution
The fourth proportional to 17,006,346,237.30, 25,509,519,355.95 and 15,292,130,147.70 is: 22,938,195,221.55
Step by Step Solution
- Step 1: Write the proportion equation
17,006,346,237.30 : 25,509,519,355.95 = 15,292,130,147.70 : x - Step 2: Convert to fraction form
17,006,346,237.30/25,509,519,355.95 = 15,292,130,147.70/x - Step 3: Cross multiply
17,006,346,237.30x = 25,509,519,355.95 × 15,292,130,147.70 - Step 4: Simplify right side
17,006,346,237.30x = 390,094,889,996,459,704,320 - Step 5: Solve for x
x = 390,094,889,996,459,704,320/17,006,346,237.30 - Step 6: Final answer
x = 22,938,195,221.55
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1.5x scale
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.