Finding the Fourth Proportional to 1,036,447,518.12, 1,554,671,277.24 and 346,354,772.04
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Solution
The fourth proportional to 1,036,447,518.12, 1,554,671,277.24 and 346,354,772.04 is: 519,532,158.08
Step by Step Solution
- Step 1: Write the proportion equation
1,036,447,518.12 : 1,554,671,277.24 = 346,354,772.04 : x - Step 2: Convert to fraction form
1,036,447,518.12/1,554,671,277.24 = 346,354,772.04/x - Step 3: Cross multiply
1,036,447,518.12x = 1,554,671,277.24 × 346,354,772.04 - Step 4: Simplify right side
1,036,447,518.12x = 538,467,815,825,595,904 - Step 5: Solve for x
x = 538,467,815,825,595,904/1,036,447,518.12 - Step 6: Final answer
x = 519,532,158.08
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Double scale
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Similar ratio
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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.