Home / 406,533,917.79-609,814,033.71-193,532,032.89

Finding the Fourth Proportional to 406,533,917.79, 609,814,033.71 and 193,532,032.89

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Solution

The fourth proportional to 406,533,917.79, 609,814,033.71 and 193,532,032.89 is: 290,304,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,533,917.79 : 609,814,033.71 = 193,532,032.89 : x
  2. Step 2: Convert to fraction form
    406,533,917.79/609,814,033.71 = 193,532,032.89/x
  3. Step 3: Cross multiply
    406,533,917.79x = 609,814,033.71 × 193,532,032.89
  4. Step 4: Simplify right side
    406,533,917.79x = 118,018,549,628,747,280
  5. Step 5: Solve for x
    x = 118,018,549,628,747,280/406,533,917.79
  6. Step 6: Final answer
    x = 290,304,312.79

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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.