Finding the Fourth Proportional to 750,548,386.72, 1,035,754,980.36 and 411,456,256.48
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Solution
The fourth proportional to 750,548,386.72, 1,035,754,980.36 and 411,456,256.48 is: 567,808,650.83
Step by Step Solution
- Step 1: Write the proportion equation
750,548,386.72 : 1,035,754,980.36 = 411,456,256.48 : x - Step 2: Convert to fraction form
750,548,386.72/1,035,754,980.36 = 411,456,256.48/x - Step 3: Cross multiply
750,548,386.72x = 1,035,754,980.36 × 411,456,256.48 - Step 4: Simplify right side
750,548,386.72x = 426,167,866,849,441,536 - Step 5: Solve for x
x = 426,167,866,849,441,536/750,548,386.72 - Step 6: Final answer
x = 567,808,650.83
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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.