Finding the Fourth Proportional to 28,852,488,931,298, 39,816,460,381,660 and 15,683,480,249,722
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Solution
The fourth proportional to 28,852,488,931,298, 39,816,460,381,660 and 15,683,480,249,722 is: 21,643,216,690,821.21
Step by Step Solution
- Step 1: Write the proportion equation
28,852,488,931,298 : 39,816,460,381,660 = 15,683,480,249,722 : x - Step 2: Convert to fraction form
28,852,488,931,298/39,816,460,381,660 = 15,683,480,249,722/x - Step 3: Cross multiply
28,852,488,931,298x = 39,816,460,381,660 × 15,683,480,249,722 - Step 4: Simplify right side
28,852,488,931,298x = 624,460,670,009,603,046,254,837,760 - Step 5: Solve for x
x = 624,460,670,009,603,046,254,837,760/28,852,488,931,298 - Step 6: Final answer
x = 21,643,216,690,821.21
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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.