Home / 403,113,685.12-556,261,398.48-224,484,078.40

Finding the Fourth Proportional to 403,113,685.12, 556,261,398.48 and 224,484,078.40

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Solution

The fourth proportional to 403,113,685.12, 556,261,398.48 and 224,484,078.40 is: 309,768,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,113,685.12 : 556,261,398.48 = 224,484,078.40 : x
  2. Step 2: Convert to fraction form
    403,113,685.12/556,261,398.48 = 224,484,078.40/x
  3. Step 3: Cross multiply
    403,113,685.12x = 556,261,398.48 × 224,484,078.40
  4. Step 4: Simplify right side
    403,113,685.12x = 124,871,827,387,277,968
  5. Step 5: Solve for x
    x = 124,871,827,387,277,968/403,113,685.12
  6. Step 6: Final answer
    x = 309,768,266.36

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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.