Home / 473,210,108.70-708,620,769.45-310,772,579.10

Finding the Fourth Proportional to 473,210,108.70, 708,620,769.45 and 310,772,579.10

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Solution

The fourth proportional to 473,210,108.70, 708,620,769.45 and 310,772,579.10 is: 465,374,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,210,108.70 : 708,620,769.45 = 310,772,579.10 : x
  2. Step 2: Convert to fraction form
    473,210,108.70/708,620,769.45 = 310,772,579.10/x
  3. Step 3: Cross multiply
    473,210,108.70x = 708,620,769.45 × 310,772,579.10
  4. Step 4: Simplify right side
    473,210,108.70x = 220,219,904,125,803,008
  5. Step 5: Solve for x
    x = 220,219,904,125,803,008/473,210,108.70
  6. Step 6: Final answer
    x = 465,374,471.25

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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.