Finding the Fourth Proportional to 1,947,947,242.98, 2,688,095,177.96 and 1,055,854,815.99
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Solution
The fourth proportional to 1,947,947,242.98, 2,688,095,177.96 and 1,055,854,815.99 is: 1,457,040,610.17
Step by Step Solution
- Step 1: Write the proportion equation
1,947,947,242.98 : 2,688,095,177.96 = 1,055,854,815.99 : x - Step 2: Convert to fraction form
1,947,947,242.98/2,688,095,177.96 = 1,055,854,815.99/x - Step 3: Cross multiply
1,947,947,242.98x = 2,688,095,177.96 × 1,055,854,815.99 - Step 4: Simplify right side
1,947,947,242.98x = 2,838,238,239,488,562,176 - Step 5: Solve for x
x = 2,838,238,239,488,562,176/1,947,947,242.98 - Step 6: Final answer
x = 1,457,040,610.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.