Finding the Fourth Proportional to 355,553,637,809.36, 490,664,506,065.28 and 192,973,286,216.88
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Solution
The fourth proportional to 355,553,637,809.36, 490,664,506,065.28 and 192,973,286,216.88 is: 266,303,398,690.49
Step by Step Solution
- Step 1: Write the proportion equation
355,553,637,809.36 : 490,664,506,065.28 = 192,973,286,216.88 : x - Step 2: Convert to fraction form
355,553,637,809.36/490,664,506,065.28 = 192,973,286,216.88/x - Step 3: Cross multiply
355,553,637,809.36x = 490,664,506,065.28 × 192,973,286,216.88 - Step 4: Simplify right side
355,553,637,809.36x = 94,685,142,165,399,334,289,408 - Step 5: Solve for x
x = 94,685,142,165,399,334,289,408/355,553,637,809.36 - Step 6: Final answer
x = 266,303,398,690.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.