Finding the Fourth Proportional to 1,058,725,970.92, 1,586,636,113.60 and 669,852,657.80
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Solution
The fourth proportional to 1,058,725,970.92, 1,586,636,113.60 and 669,852,657.80 is: 1,003,859,777.55
Step by Step Solution
- Step 1: Write the proportion equation
1,058,725,970.92 : 1,586,636,113.60 = 669,852,657.80 : x - Step 2: Convert to fraction form
1,058,725,970.92/1,586,636,113.60 = 669,852,657.80/x - Step 3: Cross multiply
1,058,725,970.92x = 1,586,636,113.60 × 669,852,657.80 - Step 4: Simplify right side
1,058,725,970.92x = 1,062,812,417,656,422,528 - Step 5: Solve for x
x = 1,062,812,417,656,422,528/1,058,725,970.92 - Step 6: Final answer
x = 1,003,859,777.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.