Finding the Fourth Proportional to 893,808,637.48, 1,340,905,931.16 and 272,072,487.36
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Solution
The fourth proportional to 893,808,637.48, 1,340,905,931.16 and 272,072,487.36 is: 408,167,471.99
Step by Step Solution
- Step 1: Write the proportion equation
893,808,637.48 : 1,340,905,931.16 = 272,072,487.36 : x - Step 2: Convert to fraction form
893,808,637.48/1,340,905,931.16 = 272,072,487.36/x - Step 3: Cross multiply
893,808,637.48x = 1,340,905,931.16 × 272,072,487.36 - Step 4: Simplify right side
893,808,637.48x = 364,823,612,006,478,144 - Step 5: Solve for x
x = 364,823,612,006,478,144/893,808,637.48 - Step 6: Final answer
x = 408,167,471.99
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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.