Home / 473,210,135.20-708,620,809.20-310,772,605.60

Finding the Fourth Proportional to 473,210,135.20, 708,620,809.20 and 310,772,605.60

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Solution

The fourth proportional to 473,210,135.20, 708,620,809.20 and 310,772,605.60 is: 465,374,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,210,135.20 : 708,620,809.20 = 310,772,605.60 : x
  2. Step 2: Convert to fraction form
    473,210,135.20/708,620,809.20 = 310,772,605.60/x
  3. Step 3: Cross multiply
    473,210,135.20x = 708,620,809.20 × 310,772,605.60
  4. Step 4: Simplify right side
    473,210,135.20x = 220,219,935,257,464,480
  5. Step 5: Solve for x
    x = 220,219,935,257,464,480/473,210,135.20
  6. Step 6: Final answer
    x = 465,374,510.98

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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.