Finding the Fourth Proportional to 1,001,010,337.80, 1,501,515,506.70 and 571,028,641.80
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Solution
The fourth proportional to 1,001,010,337.80, 1,501,515,506.70 and 571,028,641.80 is: 856,542,962.70
Step by Step Solution
- Step 1: Write the proportion equation
1,001,010,337.80 : 1,501,515,506.70 = 571,028,641.80 : x - Step 2: Convert to fraction form
1,001,010,337.80/1,501,515,506.70 = 571,028,641.80/x - Step 3: Cross multiply
1,001,010,337.80x = 1,501,515,506.70 × 571,028,641.80 - Step 4: Simplify right side
1,001,010,337.80x = 857,408,360,432,539,776 - Step 5: Solve for x
x = 857,408,360,432,539,776/1,001,010,337.80 - Step 6: Final answer
x = 856,542,962.70
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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.