Home / 623,142,476.56-859,883,048.40-344,614,671.28

Finding the Fourth Proportional to 623,142,476.56, 859,883,048.40 and 344,614,671.28

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Solution

The fourth proportional to 623,142,476.56, 859,883,048.40 and 344,614,671.28 is: 475,538,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,142,476.56 : 859,883,048.40 = 344,614,671.28 : x
  2. Step 2: Convert to fraction form
    623,142,476.56/859,883,048.40 = 344,614,671.28/x
  3. Step 3: Cross multiply
    623,142,476.56x = 859,883,048.40 × 344,614,671.28
  4. Step 4: Simplify right side
    623,142,476.56x = 296,328,314,063,610,304
  5. Step 5: Solve for x
    x = 296,328,314,063,610,304/623,142,476.56
  6. Step 6: Final answer
    x = 475,538,621.12

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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.