Finding the Fourth Proportional to 2,921,298,772,355.80, 4,029,717,386,484 and 1,821,972,817,101.50
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Solution
The fourth proportional to 2,921,298,772,355.80, 4,029,717,386,484 and 1,821,972,817,101.50 is: 2,513,277,864,028.39
Step by Step Solution
- Step 1: Write the proportion equation
2,921,298,772,355.80 : 4,029,717,386,484 = 1,821,972,817,101.50 : x - Step 2: Convert to fraction form
2,921,298,772,355.80/4,029,717,386,484 = 1,821,972,817,101.50/x - Step 3: Cross multiply
2,921,298,772,355.80x = 4,029,717,386,484 × 1,821,972,817,101.50 - Step 4: Simplify right side
2,921,298,772,355.80x = 7,342,035,538,775,147,164,991,488 - Step 5: Solve for x
x = 7,342,035,538,775,147,164,991,488/2,921,298,772,355.80 - Step 6: Final answer
x = 2,513,277,864,028.39
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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.