Finding the Fourth Proportional to 630,276,423.82, 869,855,237.33 and 524,242,767.98
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Solution
The fourth proportional to 630,276,423.82, 869,855,237.33 and 524,242,767.98 is: 723,516,381.27
Step by Step Solution
- Step 1: Write the proportion equation
630,276,423.82 : 869,855,237.33 = 524,242,767.98 : x - Step 2: Convert to fraction form
630,276,423.82/869,855,237.33 = 524,242,767.98/x - Step 3: Cross multiply
630,276,423.82x = 869,855,237.33 × 524,242,767.98 - Step 4: Simplify right side
630,276,423.82x = 456,015,317,359,332,480 - Step 5: Solve for x
x = 456,015,317,359,332,480/630,276,423.82 - Step 6: Final answer
x = 723,516,381.27
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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.