Finding the Fourth Proportional to 708,588,603.70, 1,062,882,905.55 and 704,283,931.60
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Solution
The fourth proportional to 708,588,603.70, 1,062,882,905.55 and 704,283,931.60 is: 1,056,425,897.40
Step by Step Solution
- Step 1: Write the proportion equation
708,588,603.70 : 1,062,882,905.55 = 704,283,931.60 : x - Step 2: Convert to fraction form
708,588,603.70/1,062,882,905.55 = 704,283,931.60/x - Step 3: Cross multiply
708,588,603.70x = 1,062,882,905.55 × 704,283,931.60 - Step 4: Simplify right side
708,588,603.70x = 748,571,351,551,185,408 - Step 5: Solve for x
x = 748,571,351,551,185,408/708,588,603.70 - Step 6: Final answer
x = 1,056,425,897.40
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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.