Finding the Fourth Proportional to 621,475,255,417.10, 857,626,725,206.44 and 347,124,911,660.74
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Solution
The fourth proportional to 621,475,255,417.10, 857,626,725,206.44 and 347,124,911,660.74 is: 479,027,280,056.99
Step by Step Solution
- Step 1: Write the proportion equation
621,475,255,417.10 : 857,626,725,206.44 = 347,124,911,660.74 : x - Step 2: Convert to fraction form
621,475,255,417.10/857,626,725,206.44 = 347,124,911,660.74/x - Step 3: Cross multiply
621,475,255,417.10x = 857,626,725,206.44 × 347,124,911,660.74 - Step 4: Simplify right side
621,475,255,417.10x = 297,703,601,225,175,182,344,192 - Step 5: Solve for x
x = 297,703,601,225,175,182,344,192/621,475,255,417.10 - Step 6: Final answer
x = 479,027,280,056.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.