Finding the Fourth Proportional to 2,275,165,710.07, 3,412,748,565.09 and 639,390,312.07
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Solution
The fourth proportional to 2,275,165,710.07, 3,412,748,565.09 and 639,390,312.07 is: 959,085,468.10
Step by Step Solution
- Step 1: Write the proportion equation
2,275,165,710.07 : 3,412,748,565.09 = 639,390,312.07 : x - Step 2: Convert to fraction form
2,275,165,710.07/3,412,748,565.09 = 639,390,312.07/x - Step 3: Cross multiply
2,275,165,710.07x = 3,412,748,565.09 × 639,390,312.07 - Step 4: Simplify right side
2,275,165,710.07x = 2,182,078,370,049,340,160 - Step 5: Solve for x
x = 2,182,078,370,049,340,160/2,275,165,710.07 - Step 6: Final answer
x = 959,085,468.10
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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.