Finding the Fourth Proportional to 1,609,361,337.60, 2,413,444,809.60 and 639,812,332.80
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Solution
The fourth proportional to 1,609,361,337.60, 2,413,444,809.60 and 639,812,332.80 is: 959,481,079.63
Step by Step Solution
- Step 1: Write the proportion equation
1,609,361,337.60 : 2,413,444,809.60 = 639,812,332.80 : x - Step 2: Convert to fraction form
1,609,361,337.60/2,413,444,809.60 = 639,812,332.80/x - Step 3: Cross multiply
1,609,361,337.60x = 2,413,444,809.60 × 639,812,332.80 - Step 4: Simplify right side
1,609,361,337.60x = 1,544,151,753,714,227,712 - Step 5: Solve for x
x = 1,544,151,753,714,227,712/1,609,361,337.60 - Step 6: Final answer
x = 959,481,079.63
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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.