Finding the Fourth Proportional to 651,440,521.05, 898,688,317.55 and 577,176,824.49
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Solution
The fourth proportional to 651,440,521.05, 898,688,317.55 and 577,176,824.49 is: 796,238,570.62
Step by Step Solution
- Step 1: Write the proportion equation
651,440,521.05 : 898,688,317.55 = 577,176,824.49 : x - Step 2: Convert to fraction form
651,440,521.05/898,688,317.55 = 577,176,824.49/x - Step 3: Cross multiply
651,440,521.05x = 898,688,317.55 × 577,176,824.49 - Step 4: Simplify right side
651,440,521.05x = 518,702,069,326,883,840 - Step 5: Solve for x
x = 518,702,069,326,883,840/651,440,521.05 - Step 6: Final answer
x = 796,238,570.62
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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.