Finding the Fourth Proportional to 692,768,863.88, 956,013,415.99 and 375,221,210.34
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Solution
The fourth proportional to 692,768,863.88, 956,013,415.99 and 375,221,210.34 is: 517,801,145.16
Step by Step Solution
- Step 1: Write the proportion equation
692,768,863.88 : 956,013,415.99 = 375,221,210.34 : x - Step 2: Convert to fraction form
692,768,863.88/956,013,415.99 = 375,221,210.34/x - Step 3: Cross multiply
692,768,863.88x = 956,013,415.99 × 375,221,210.34 - Step 4: Simplify right side
692,768,863.88x = 358,716,511,048,107,584 - Step 5: Solve for x
x = 358,716,511,048,107,584/692,768,863.88 - Step 6: Final answer
x = 517,801,145.16
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1.5x scale
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.