Finding the Fourth Proportional to 963,249,365.30, 1,329,394,394.84 and 539,977,347.02
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Solution
The fourth proportional to 963,249,365.30, 1,329,394,394.84 and 539,977,347.02 is: 745,230,554.33
Step by Step Solution
- Step 1: Write the proportion equation
963,249,365.30 : 1,329,394,394.84 = 539,977,347.02 : x - Step 2: Convert to fraction form
963,249,365.30/1,329,394,394.84 = 539,977,347.02/x - Step 3: Cross multiply
963,249,365.30x = 1,329,394,394.84 × 539,977,347.02 - Step 4: Simplify right side
963,249,365.30x = 717,842,858,459,614,720 - Step 5: Solve for x
x = 717,842,858,459,614,720/963,249,365.30 - Step 6: Final answer
x = 745,230,554.33
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1.5x scale
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.