Finding the Fourth Proportional to 56,697,552,190.40, 85,038,266,128.80 and 19,434,263,460.80
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Solution
The fourth proportional to 56,697,552,190.40, 85,038,266,128.80 and 19,434,263,460.80 is: 29,148,631,719.53
Step by Step Solution
- Step 1: Write the proportion equation
56,697,552,190.40 : 85,038,266,128.80 = 19,434,263,460.80 : x - Step 2: Convert to fraction form
56,697,552,190.40/85,038,266,128.80 = 19,434,263,460.80/x - Step 3: Cross multiply
56,697,552,190.40x = 85,038,266,128.80 × 19,434,263,460.80 - Step 4: Simplify right side
56,697,552,190.40x = 1,652,656,068,196,724,113,408 - Step 5: Solve for x
x = 1,652,656,068,196,724,113,408/56,697,552,190.40 - Step 6: Final answer
x = 29,148,631,719.53
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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.