Finding the Fourth Proportional to 1,577,883,314.90, 2,366,824,972.35 and 716,240,306.90
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Solution
The fourth proportional to 1,577,883,314.90, 2,366,824,972.35 and 716,240,306.90 is: 1,074,360,460.35
Step by Step Solution
- Step 1: Write the proportion equation
1,577,883,314.90 : 2,366,824,972.35 = 716,240,306.90 : x - Step 2: Convert to fraction form
1,577,883,314.90/2,366,824,972.35 = 716,240,306.90/x - Step 3: Cross multiply
1,577,883,314.90x = 2,366,824,972.35 × 716,240,306.90 - Step 4: Simplify right side
1,577,883,314.90x = 1,695,215,444,574,547,968 - Step 5: Solve for x
x = 1,695,215,444,574,547,968/1,577,883,314.90 - Step 6: Final answer
x = 1,074,360,460.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.