Finding the Fourth Proportional to 871,521,719.04, 1,306,508,565.65 and 339,609,986.73
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Solution
The fourth proportional to 871,521,719.04, 1,306,508,565.65 and 339,609,986.73 is: 509,113,366.82
Step by Step Solution
- Step 1: Write the proportion equation
871,521,719.04 : 1,306,508,565.65 = 339,609,986.73 : x - Step 2: Convert to fraction form
871,521,719.04/1,306,508,565.65 = 339,609,986.73/x - Step 3: Cross multiply
871,521,719.04x = 1,306,508,565.65 × 339,609,986.73 - Step 4: Simplify right side
871,521,719.04x = 443,703,356,641,329,792 - Step 5: Solve for x
x = 443,703,356,641,329,792/871,521,719.04 - Step 6: Final answer
x = 509,113,366.82
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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.