Home / 830,717,915.64-1,146,743,705.88-517,606,830.96

Finding the Fourth Proportional to 830,717,915.64, 1,146,743,705.88 and 517,606,830.96

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Solution

The fourth proportional to 830,717,915.64, 1,146,743,705.88 and 517,606,830.96 is: 714,517,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,717,915.64 : 1,146,743,705.88 = 517,606,830.96 : x
  2. Step 2: Convert to fraction form
    830,717,915.64/1,146,743,705.88 = 517,606,830.96/x
  3. Step 3: Cross multiply
    830,717,915.64x = 1,146,743,705.88 × 517,606,830.96
  4. Step 4: Simplify right side
    830,717,915.64x = 593,562,375,523,873,152
  5. Step 5: Solve for x
    x = 593,562,375,523,873,152/830,717,915.64
  6. Step 6: Final answer
    x = 714,517,364.26

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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.