Finding the Fourth Proportional to 806,784,534.80, 1,210,176,802.20 and 737,909,781.20
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Solution
The fourth proportional to 806,784,534.80, 1,210,176,802.20 and 737,909,781.20 is: 1,106,864,671.80
Step by Step Solution
- Step 1: Write the proportion equation
806,784,534.80 : 1,210,176,802.20 = 737,909,781.20 : x - Step 2: Convert to fraction form
806,784,534.80/1,210,176,802.20 = 737,909,781.20/x - Step 3: Cross multiply
806,784,534.80x = 1,210,176,802.20 × 737,909,781.20 - Step 4: Simplify right side
806,784,534.80x = 893,001,299,324,717,824 - Step 5: Solve for x
x = 893,001,299,324,717,824/806,784,534.80 - Step 6: Final answer
x = 1,106,864,671.80
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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.