Home / 399,247,713.60-598,871,570.40-352,386,427.20

Finding the Fourth Proportional to 399,247,713.60, 598,871,570.40 and 352,386,427.20

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Solution

The fourth proportional to 399,247,713.60, 598,871,570.40 and 352,386,427.20 is: 528,579,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,247,713.60 : 598,871,570.40 = 352,386,427.20 : x
  2. Step 2: Convert to fraction form
    399,247,713.60/598,871,570.40 = 352,386,427.20/x
  3. Step 3: Cross multiply
    399,247,713.60x = 598,871,570.40 × 352,386,427.20
  4. Step 4: Simplify right side
    399,247,713.60x = 211,034,213,044,909,248
  5. Step 5: Solve for x
    x = 211,034,213,044,909,248/399,247,713.60
  6. Step 6: Final answer
    x = 528,579,640.80

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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.