Finding the Fourth Proportional to 1,911,569,835.84, 2,867,657,084.64 and 684,711,124.80
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Solution
The fourth proportional to 1,911,569,835.84, 2,867,657,084.64 and 684,711,124.80 is: 1,027,174,980.04
Step by Step Solution
- Step 1: Write the proportion equation
1,911,569,835.84 : 2,867,657,084.64 = 684,711,124.80 : x - Step 2: Convert to fraction form
1,911,569,835.84/2,867,657,084.64 = 684,711,124.80/x - Step 3: Cross multiply
1,911,569,835.84x = 2,867,657,084.64 × 684,711,124.80 - Step 4: Simplify right side
1,911,569,835.84x = 1,963,516,707,964,542,976 - Step 5: Solve for x
x = 1,963,516,707,964,542,976/1,911,569,835.84 - Step 6: Final answer
x = 1,027,174,980.04
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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.