Finding the Fourth Proportional to 1,226,938,567.68, 1,692,947,295.36 and 698,271,121.08
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Solution
The fourth proportional to 1,226,938,567.68, 1,692,947,295.36 and 698,271,121.08 is: 963,484,429.46
Step by Step Solution
- Step 1: Write the proportion equation
1,226,938,567.68 : 1,692,947,295.36 = 698,271,121.08 : x - Step 2: Convert to fraction form
1,226,938,567.68/1,692,947,295.36 = 698,271,121.08/x - Step 3: Cross multiply
1,226,938,567.68x = 1,692,947,295.36 × 698,271,121.08 - Step 4: Simplify right side
1,226,938,567.68x = 1,182,136,205,860,381,184 - Step 5: Solve for x
x = 1,182,136,205,860,381,184/1,226,938,567.68 - Step 6: Final answer
x = 963,484,429.46
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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.