Home / 470,176,216.80-705,600,248.40-197,742,501.60

Finding the Fourth Proportional to 470,176,216.80, 705,600,248.40 and 197,742,501.60

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Solution

The fourth proportional to 470,176,216.80, 705,600,248.40 and 197,742,501.60 is: 296,755,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,176,216.80 : 705,600,248.40 = 197,742,501.60 : x
  2. Step 2: Convert to fraction form
    470,176,216.80/705,600,248.40 = 197,742,501.60/x
  3. Step 3: Cross multiply
    470,176,216.80x = 705,600,248.40 × 197,742,501.60
  4. Step 4: Simplify right side
    470,176,216.80x = 139,527,158,248,197,392
  5. Step 5: Solve for x
    x = 139,527,158,248,197,392/470,176,216.80
  6. Step 6: Final answer
    x = 296,755,031.97

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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.