Finding the Fourth Proportional to 910,655,412.04, 1,365,778,676.70 and 418,896,389.80
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Solution
The fourth proportional to 910,655,412.04, 1,365,778,676.70 and 418,896,389.80 is: 628,250,542.82
Step by Step Solution
- Step 1: Write the proportion equation
910,655,412.04 : 1,365,778,676.70 = 418,896,389.80 : x - Step 2: Convert to fraction form
910,655,412.04/1,365,778,676.70 = 418,896,389.80/x - Step 3: Cross multiply
910,655,412.04x = 1,365,778,676.70 × 418,896,389.80 - Step 4: Simplify right side
910,655,412.04x = 572,119,756,935,451,392 - Step 5: Solve for x
x = 572,119,756,935,451,392/910,655,412.04 - Step 6: Final answer
x = 628,250,542.82
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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.