Home / 540,349,129.11-745,682,435.69-292,830,483.36

Finding the Fourth Proportional to 540,349,129.11, 745,682,435.69 and 292,830,483.36

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Solution

The fourth proportional to 540,349,129.11, 745,682,435.69 and 292,830,483.36 is: 404,106,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,349,129.11 : 745,682,435.69 = 292,830,483.36 : x
  2. Step 2: Convert to fraction form
    540,349,129.11/745,682,435.69 = 292,830,483.36/x
  3. Step 3: Cross multiply
    540,349,129.11x = 745,682,435.69 × 292,830,483.36
  4. Step 4: Simplify right side
    540,349,129.11x = 218,358,548,074,700,672
  5. Step 5: Solve for x
    x = 218,358,548,074,700,672/540,349,129.11
  6. Step 6: Final answer
    x = 404,106,412.52

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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.