Finding the Fourth Proportional to 1,430,711,527.07, 1,974,092,465.12 and 835,881,130.33
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Solution
The fourth proportional to 1,430,711,527.07, 1,974,092,465.12 and 835,881,130.33 is: 1,153,346,855.66
Step by Step Solution
- Step 1: Write the proportion equation
1,430,711,527.07 : 1,974,092,465.12 = 835,881,130.33 : x - Step 2: Convert to fraction form
1,430,711,527.07/1,974,092,465.12 = 835,881,130.33/x - Step 3: Cross multiply
1,430,711,527.07x = 1,974,092,465.12 × 835,881,130.33 - Step 4: Simplify right side
1,430,711,527.07x = 1,650,106,641,111,326,976 - Step 5: Solve for x
x = 1,650,106,641,111,326,976/1,430,711,527.07 - Step 6: Final answer
x = 1,153,346,855.66
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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.