Finding the Fourth Proportional to 608,472,005.70, 912,708,008.55 and 366,607,301.70
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Solution
The fourth proportional to 608,472,005.70, 912,708,008.55 and 366,607,301.70 is: 549,910,952.55
Step by Step Solution
- Step 1: Write the proportion equation
608,472,005.70 : 912,708,008.55 = 366,607,301.70 : x - Step 2: Convert to fraction form
608,472,005.70/912,708,008.55 = 366,607,301.70/x - Step 3: Cross multiply
608,472,005.70x = 912,708,008.55 × 366,607,301.70 - Step 4: Simplify right side
608,472,005.70x = 334,605,420,254,496,000 - Step 5: Solve for x
x = 334,605,420,254,496,000/608,472,005.70 - Step 6: Final answer
x = 549,910,952.55
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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.