Finding the Fourth Proportional to 742,176,553.60, 1,113,264,830.40 and 699,850,230.40
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Solution
The fourth proportional to 742,176,553.60, 1,113,264,830.40 and 699,850,230.40 is: 1,049,775,345.60
Step by Step Solution
- Step 1: Write the proportion equation
742,176,553.60 : 1,113,264,830.40 = 699,850,230.40 : x - Step 2: Convert to fraction form
742,176,553.60/1,113,264,830.40 = 699,850,230.40/x - Step 3: Cross multiply
742,176,553.60x = 1,113,264,830.40 × 699,850,230.40 - Step 4: Simplify right side
742,176,553.60x = 779,118,648,051,656,960 - Step 5: Solve for x
x = 779,118,648,051,656,960/742,176,553.60 - Step 6: Final answer
x = 1,049,775,345.60
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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.