Home / 413,121,018.18-619,763,301.63-118,018,685.10

Finding the Fourth Proportional to 413,121,018.18, 619,763,301.63 and 118,018,685.10

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Solution

The fourth proportional to 413,121,018.18, 619,763,301.63 and 118,018,685.10 is: 177,051,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,121,018.18 : 619,763,301.63 = 118,018,685.10 : x
  2. Step 2: Convert to fraction form
    413,121,018.18/619,763,301.63 = 118,018,685.10/x
  3. Step 3: Cross multiply
    413,121,018.18x = 619,763,301.63 × 118,018,685.10
  4. Step 4: Simplify right side
    413,121,018.18x = 73,143,649,931,607,280
  5. Step 5: Solve for x
    x = 73,143,649,931,607,280/413,121,018.18
  6. Step 6: Final answer
    x = 177,051,388.61

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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.