Home / 470,023,948.80-705,035,923.20-146,907,302.40

Finding the Fourth Proportional to 470,023,948.80, 705,035,923.20 and 146,907,302.40

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Solution

The fourth proportional to 470,023,948.80, 705,035,923.20 and 146,907,302.40 is: 220,360,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,023,948.80 : 705,035,923.20 = 146,907,302.40 : x
  2. Step 2: Convert to fraction form
    470,023,948.80/705,035,923.20 = 146,907,302.40/x
  3. Step 3: Cross multiply
    470,023,948.80x = 705,035,923.20 × 146,907,302.40
  4. Step 4: Simplify right side
    470,023,948.80x = 103,574,925,572,405,584
  5. Step 5: Solve for x
    x = 103,574,925,572,405,584/470,023,948.80
  6. Step 6: Final answer
    x = 220,360,953.60

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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.