Finding the Fourth Proportional to 4,267,009,875.20, 6,400,868,707.20 and 1,358,882,643.20
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Solution
The fourth proportional to 4,267,009,875.20, 6,400,868,707.20 and 1,358,882,643.20 is: 2,038,436,666.90
Step by Step Solution
- Step 1: Write the proportion equation
4,267,009,875.20 : 6,400,868,707.20 = 1,358,882,643.20 : x - Step 2: Convert to fraction form
4,267,009,875.20/6,400,868,707.20 = 1,358,882,643.20/x - Step 3: Cross multiply
4,267,009,875.20x = 6,400,868,707.20 × 1,358,882,643.20 - Step 4: Simplify right side
4,267,009,875.20x = 8,698,029,387,616,103,424 - Step 5: Solve for x
x = 8,698,029,387,616,103,424/4,267,009,875.20 - Step 6: Final answer
x = 2,038,436,666.90
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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.