Finding the Fourth Proportional to 805,658,888,351.55, 1,112,311,118,244.40 and 512,849,085,743.70
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Solution
The fourth proportional to 805,658,888,351.55, 1,112,311,118,244.40 and 512,849,085,743.70 is: 708,051,196,730.89
Step by Step Solution
- Step 1: Write the proportion equation
805,658,888,351.55 : 1,112,311,118,244.40 = 512,849,085,743.70 : x - Step 2: Convert to fraction form
805,658,888,351.55/1,112,311,118,244.40 = 512,849,085,743.70/x - Step 3: Cross multiply
805,658,888,351.55x = 1,112,311,118,244.40 × 512,849,085,743.70 - Step 4: Simplify right side
805,658,888,351.55x = 570,447,740,054,193,064,378,368 - Step 5: Solve for x
x = 570,447,740,054,193,064,378,368/805,658,888,351.55 - Step 6: Final answer
x = 708,051,196,730.89
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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.