Finding the Fourth Proportional to 1,447,331,176.32, 2,165,518,209.99 and 857,438,020.16
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Solution
The fourth proportional to 1,447,331,176.32, 2,165,518,209.99 and 857,438,020.16 is: 1,282,911,386.82
Step by Step Solution
- Step 1: Write the proportion equation
1,447,331,176.32 : 2,165,518,209.99 = 857,438,020.16 : x - Step 2: Convert to fraction form
1,447,331,176.32/2,165,518,209.99 = 857,438,020.16/x - Step 3: Cross multiply
1,447,331,176.32x = 2,165,518,209.99 × 857,438,020.16 - Step 4: Simplify right side
1,447,331,176.32x = 1,856,797,646,594,252,544 - Step 5: Solve for x
x = 1,856,797,646,594,252,544/1,447,331,176.32 - Step 6: Final answer
x = 1,282,911,386.82
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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.