Finding the Fourth Proportional to 559,872,756.80, 839,809,135.20 and 506,125,044.80
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Solution
The fourth proportional to 559,872,756.80, 839,809,135.20 and 506,125,044.80 is: 759,187,567.20
Step by Step Solution
- Step 1: Write the proportion equation
559,872,756.80 : 839,809,135.20 = 506,125,044.80 : x - Step 2: Convert to fraction form
559,872,756.80/839,809,135.20 = 506,125,044.80/x - Step 3: Cross multiply
559,872,756.80x = 839,809,135.20 × 506,125,044.80 - Step 4: Simplify right side
559,872,756.80x = 425,048,436,176,549,312 - Step 5: Solve for x
x = 425,048,436,176,549,312/559,872,756.80 - Step 6: Final answer
x = 759,187,567.20
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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.