Finding the Fourth Proportional to 905,614,547.23, 1,249,752,307.40 and 514,495,432.99
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Solution
The fourth proportional to 905,614,547.23, 1,249,752,307.40 and 514,495,432.99 is: 710,006,101.93
Step by Step Solution
- Step 1: Write the proportion equation
905,614,547.23 : 1,249,752,307.40 = 514,495,432.99 : x - Step 2: Convert to fraction form
905,614,547.23/1,249,752,307.40 = 514,495,432.99/x - Step 3: Cross multiply
905,614,547.23x = 1,249,752,307.40 × 514,495,432.99 - Step 4: Simplify right side
905,614,547.23x = 642,991,854,526,014,592 - Step 5: Solve for x
x = 642,991,854,526,014,592/905,614,547.23 - Step 6: Final answer
x = 710,006,101.93
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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.