Finding the Fourth Proportional to 773,687,897.60, 1,159,524,076.80 and 313,249,164.80
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Solution
The fourth proportional to 773,687,897.60, 1,159,524,076.80 and 313,249,164.80 is: 469,465,723.52
Step by Step Solution
- Step 1: Write the proportion equation
773,687,897.60 : 1,159,524,076.80 = 313,249,164.80 : x - Step 2: Convert to fraction form
773,687,897.60/1,159,524,076.80 = 313,249,164.80/x - Step 3: Cross multiply
773,687,897.60x = 1,159,524,076.80 × 313,249,164.80 - Step 4: Simplify right side
773,687,897.60x = 363,219,948,623,091,072 - Step 5: Solve for x
x = 363,219,948,623,091,072/773,687,897.60 - Step 6: Final answer
x = 469,465,723.52
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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.