Home / 413,225,362.92-570,291,280.13-308,621,830.89

Finding the Fourth Proportional to 413,225,362.92, 570,291,280.13 and 308,621,830.89

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Solution

The fourth proportional to 413,225,362.92, 570,291,280.13 and 308,621,830.89 is: 425,928,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,225,362.92 : 570,291,280.13 = 308,621,830.89 : x
  2. Step 2: Convert to fraction form
    413,225,362.92/570,291,280.13 = 308,621,830.89/x
  3. Step 3: Cross multiply
    413,225,362.92x = 570,291,280.13 × 308,621,830.89
  4. Step 4: Simplify right side
    413,225,362.92x = 176,004,339,012,779,360
  5. Step 5: Solve for x
    x = 176,004,339,012,779,360/413,225,362.92
  6. Step 6: Final answer
    x = 425,928,209.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.