Home / 854,237,698.64-1,178,857,302.72-501,828,542.72

Finding the Fourth Proportional to 854,237,698.64, 1,178,857,302.72 and 501,828,542.72

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Solution

The fourth proportional to 854,237,698.64, 1,178,857,302.72 and 501,828,542.72 is: 692,528,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,237,698.64 : 1,178,857,302.72 = 501,828,542.72 : x
  2. Step 2: Convert to fraction form
    854,237,698.64/1,178,857,302.72 = 501,828,542.72/x
  3. Step 3: Cross multiply
    854,237,698.64x = 1,178,857,302.72 × 501,828,542.72
  4. Step 4: Simplify right side
    854,237,698.64x = 591,584,242,298,807,552
  5. Step 5: Solve for x
    x = 591,584,242,298,807,552/854,237,698.64
  6. Step 6: Final answer
    x = 692,528,839.74

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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.