Finding the Fourth Proportional to 553,657,537.40, 830,486,306.10 and 545,048,193.20
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Solution
The fourth proportional to 553,657,537.40, 830,486,306.10 and 545,048,193.20 is: 817,572,289.80
Step by Step Solution
- Step 1: Write the proportion equation
553,657,537.40 : 830,486,306.10 = 545,048,193.20 : x - Step 2: Convert to fraction form
553,657,537.40/830,486,306.10 = 545,048,193.20/x - Step 3: Cross multiply
553,657,537.40x = 830,486,306.10 × 545,048,193.20 - Step 4: Simplify right side
553,657,537.40x = 452,655,060,617,147,200 - Step 5: Solve for x
x = 452,655,060,617,147,200/553,657,537.40 - Step 6: Final answer
x = 817,572,289.80
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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.