Finding the Fourth Proportional to 1,803,280,556,298.70, 2,488,528,771,220.20 and 980,217,513,699.88
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Solution
The fourth proportional to 1,803,280,556,298.70, 2,488,528,771,220.20 and 980,217,513,699.88 is: 1,352,701,040,542.93
Step by Step Solution
- Step 1: Write the proportion equation
1,803,280,556,298.70 : 2,488,528,771,220.20 = 980,217,513,699.88 : x - Step 2: Convert to fraction form
1,803,280,556,298.70/2,488,528,771,220.20 = 980,217,513,699.88/x - Step 3: Cross multiply
1,803,280,556,298.70x = 2,488,528,771,220.20 × 980,217,513,699.88 - Step 4: Simplify right side
1,803,280,556,298.70x = 2,439,299,484,896,082,389,893,120 - Step 5: Solve for x
x = 2,439,299,484,896,082,389,893,120/1,803,280,556,298.70 - Step 6: Final answer
x = 1,352,701,040,542.93
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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.