Finding the Fourth Proportional to 905,614,552.98, 1,249,752,315.33 and 514,495,438.74
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Solution
The fourth proportional to 905,614,552.98, 1,249,752,315.33 and 514,495,438.74 is: 710,006,109.86
Step by Step Solution
- Step 1: Write the proportion equation
905,614,552.98 : 1,249,752,315.33 = 514,495,438.74 : x - Step 2: Convert to fraction form
905,614,552.98/1,249,752,315.33 = 514,495,438.74/x - Step 3: Cross multiply
905,614,552.98x = 1,249,752,315.33 × 514,495,438.74 - Step 4: Simplify right side
905,614,552.98x = 642,991,865,792,039,168 - Step 5: Solve for x
x = 642,991,865,792,039,168/905,614,552.98 - Step 6: Final answer
x = 710,006,109.86
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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.