Home / 624,578,968.80-935,734,712.40-508,937,407.20

Finding the Fourth Proportional to 624,578,968.80, 935,734,712.40 and 508,937,407.20

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Solution

The fourth proportional to 624,578,968.80, 935,734,712.40 and 508,937,407.20 is: 762,482,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,578,968.80 : 935,734,712.40 = 508,937,407.20 : x
  2. Step 2: Convert to fraction form
    624,578,968.80/935,734,712.40 = 508,937,407.20/x
  3. Step 3: Cross multiply
    624,578,968.80x = 935,734,712.40 × 508,937,407.20
  4. Step 4: Simplify right side
    624,578,968.80x = 476,230,398,355,893,696
  5. Step 5: Solve for x
    x = 476,230,398,355,893,696/624,578,968.80
  6. Step 6: Final answer
    x = 762,482,283.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.