Finding the Fourth Proportional to 805,658,888,358.44, 1,112,311,118,254 and 512,849,085,750.56
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Solution
The fourth proportional to 805,658,888,358.44, 1,112,311,118,254 and 512,849,085,750.56 is: 708,051,196,740.42
Step by Step Solution
- Step 1: Write the proportion equation
805,658,888,358.44 : 1,112,311,118,254 = 512,849,085,750.56 : x - Step 2: Convert to fraction form
805,658,888,358.44/1,112,311,118,254 = 512,849,085,750.56/x - Step 3: Cross multiply
805,658,888,358.44x = 1,112,311,118,254 × 512,849,085,750.56 - Step 4: Simplify right side
805,658,888,358.44x = 570,447,740,066,746,918,240,256 - Step 5: Solve for x
x = 570,447,740,066,746,918,240,256/805,658,888,358.44 - Step 6: Final answer
x = 708,051,196,740.42
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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.