Finding the Fourth Proportional to 2,217,993,432,642.20, 3,060,828,615,643.70 and 1,242,518,174,596
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Solution
The fourth proportional to 2,217,993,432,642.20, 3,060,828,615,643.70 and 1,242,518,174,596 is: 1,714,673,780,494.61
Step by Step Solution
- Step 1: Write the proportion equation
2,217,993,432,642.20 : 3,060,828,615,643.70 = 1,242,518,174,596 : x - Step 2: Convert to fraction form
2,217,993,432,642.20/3,060,828,615,643.70 = 1,242,518,174,596/x - Step 3: Cross multiply
2,217,993,432,642.20x = 3,060,828,615,643.70 × 1,242,518,174,596 - Step 4: Simplify right side
2,217,993,432,642.20x = 3,803,135,184,260,812,303,761,408 - Step 5: Solve for x
x = 3,803,135,184,260,812,303,761,408/2,217,993,432,642.20 - Step 6: Final answer
x = 1,714,673,780,494.61
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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.