Home / 623,974,402.80-861,074,152.29-345,509,947.62

Finding the Fourth Proportional to 623,974,402.80, 861,074,152.29 and 345,509,947.62

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Solution

The fourth proportional to 623,974,402.80, 861,074,152.29 and 345,509,947.62 is: 476,797,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,974,402.80 : 861,074,152.29 = 345,509,947.62 : x
  2. Step 2: Convert to fraction form
    623,974,402.80/861,074,152.29 = 345,509,947.62/x
  3. Step 3: Cross multiply
    623,974,402.80x = 861,074,152.29 × 345,509,947.62
  4. Step 4: Simplify right side
    623,974,402.80x = 297,509,685,254,653,824
  5. Step 5: Solve for x
    x = 297,509,685,254,653,824/623,974,402.80
  6. Step 6: Final answer
    x = 476,797,900.55

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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.