Finding the Fourth Proportional to 934,576,547.99, 1,401,867,196.55 and 381,878,977.49
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Solution
The fourth proportional to 934,576,547.99, 1,401,867,196.55 and 381,878,977.49 is: 572,819,436.51
Step by Step Solution
- Step 1: Write the proportion equation
934,576,547.99 : 1,401,867,196.55 = 381,878,977.49 : x - Step 2: Convert to fraction form
934,576,547.99/1,401,867,196.55 = 381,878,977.49/x - Step 3: Cross multiply
934,576,547.99x = 1,401,867,196.55 × 381,878,977.49 - Step 4: Simplify right side
934,576,547.99x = 535,343,611,593,024,128 - Step 5: Solve for x
x = 535,343,611,593,024,128/934,576,547.99 - Step 6: Final answer
x = 572,819,436.51
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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.