Finding the Fourth Proportional to 375,291,809.19, 562,447,444.86 and 209,288,689.56
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Solution
The fourth proportional to 375,291,809.19, 562,447,444.86 and 209,288,689.56 is: 313,659,626.45
Step by Step Solution
- Step 1: Write the proportion equation
375,291,809.19 : 562,447,444.86 = 209,288,689.56 : x - Step 2: Convert to fraction form
375,291,809.19/562,447,444.86 = 209,288,689.56/x - Step 3: Cross multiply
375,291,809.19x = 562,447,444.86 × 209,288,689.56 - Step 4: Simplify right side
375,291,809.19x = 117,713,888,681,119,760 - Step 5: Solve for x
x = 117,713,888,681,119,760/375,291,809.19 - Step 6: Final answer
x = 313,659,626.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.