Finding the Fourth Proportional to 1,709,032,684.88, 2,358,563,948.55 and 956,339,289.11
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Solution
The fourth proportional to 1,709,032,684.88, 2,358,563,948.55 and 956,339,289.11 is: 1,319,803,529.70
Step by Step Solution
- Step 1: Write the proportion equation
1,709,032,684.88 : 2,358,563,948.55 = 956,339,289.11 : x - Step 2: Convert to fraction form
1,709,032,684.88/2,358,563,948.55 = 956,339,289.11/x - Step 3: Cross multiply
1,709,032,684.88x = 2,358,563,948.55 × 956,339,289.11 - Step 4: Simplify right side
1,709,032,684.88x = 2,255,587,369,882,678,016 - Step 5: Solve for x
x = 2,255,587,369,882,678,016/1,709,032,684.88 - Step 6: Final answer
x = 1,319,803,529.70
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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.