Finding the Fourth Proportional to 1,307,166,263.98, 1,803,953,260.37 and 735,129,316.35
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Solution
The fourth proportional to 1,307,166,263.98, 1,803,953,260.37 and 735,129,316.35 is: 1,014,514,345.70
Step by Step Solution
- Step 1: Write the proportion equation
1,307,166,263.98 : 1,803,953,260.37 = 735,129,316.35 : x - Step 2: Convert to fraction form
1,307,166,263.98/1,803,953,260.37 = 735,129,316.35/x - Step 3: Cross multiply
1,307,166,263.98x = 1,803,953,260.37 × 735,129,316.35 - Step 4: Simplify right side
1,307,166,263.98x = 1,326,138,927,024,989,440 - Step 5: Solve for x
x = 1,326,138,927,024,989,440/1,307,166,263.98 - Step 6: Final answer
x = 1,014,514,345.70
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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.