Finding the Fourth Proportional to 807,206,312.21, 1,113,944,668.21 and 435,928,307.81
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Solution
The fourth proportional to 807,206,312.21, 1,113,944,668.21 and 435,928,307.81 is: 601,581,041.75
Step by Step Solution
- Step 1: Write the proportion equation
807,206,312.21 : 1,113,944,668.21 = 435,928,307.81 : x - Step 2: Convert to fraction form
807,206,312.21/1,113,944,668.21 = 435,928,307.81/x - Step 3: Cross multiply
807,206,312.21x = 1,113,944,668.21 × 435,928,307.81 - Step 4: Simplify right side
807,206,312.21x = 485,600,014,206,757,248 - Step 5: Solve for x
x = 485,600,014,206,757,248/807,206,312.21 - Step 6: Final answer
x = 601,581,041.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.