Finding the Fourth Proportional to 472,396,058.80, 708,594,088.20 and 429,349,337.80
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Solution
The fourth proportional to 472,396,058.80, 708,594,088.20 and 429,349,337.80 is: 644,024,006.70
Step by Step Solution
- Step 1: Write the proportion equation
472,396,058.80 : 708,594,088.20 = 429,349,337.80 : x - Step 2: Convert to fraction form
472,396,058.80/708,594,088.20 = 429,349,337.80/x - Step 3: Cross multiply
472,396,058.80x = 708,594,088.20 × 429,349,337.80 - Step 4: Simplify right side
472,396,058.80x = 304,234,402,537,664,832 - Step 5: Solve for x
x = 304,234,402,537,664,832/472,396,058.80 - Step 6: Final answer
x = 644,024,006.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.