Finding the Fourth Proportional to 1,262,610,519.12, 1,742,463,246.06 and 698,084,954.91
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Solution
The fourth proportional to 1,262,610,519.12, 1,742,463,246.06 and 698,084,954.91 is: 963,390,814.62
Step by Step Solution
- Step 1: Write the proportion equation
1,262,610,519.12 : 1,742,463,246.06 = 698,084,954.91 : x - Step 2: Convert to fraction form
1,262,610,519.12/1,742,463,246.06 = 698,084,954.91/x - Step 3: Cross multiply
1,262,610,519.12x = 1,742,463,246.06 × 698,084,954.91 - Step 4: Simplify right side
1,262,610,519.12x = 1,216,387,376,558,127,360 - Step 5: Solve for x
x = 1,216,387,376,558,127,360/1,262,610,519.12 - Step 6: Final answer
x = 963,390,814.62
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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.