Home / 992,580,549.54-1,488,872,690.54-409,675,415.46

Finding the Fourth Proportional to 992,580,549.54, 1,488,872,690.54 and 409,675,415.46

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Solution

The fourth proportional to 992,580,549.54, 1,488,872,690.54 and 409,675,415.46 is: 614,513,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,580,549.54 : 1,488,872,690.54 = 409,675,415.46 : x
  2. Step 2: Convert to fraction form
    992,580,549.54/1,488,872,690.54 = 409,675,415.46/x
  3. Step 3: Cross multiply
    992,580,549.54x = 1,488,872,690.54 × 409,675,415.46
  4. Step 4: Simplify right side
    992,580,549.54x = 609,954,538,064,022,528
  5. Step 5: Solve for x
    x = 609,954,538,064,022,528/992,580,549.54
  6. Step 6: Final answer
    x = 614,513,893.45

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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.