Home / 983,692,128.48-1,475,320,628.56-284,032,451.40

Finding the Fourth Proportional to 983,692,128.48, 1,475,320,628.56 and 284,032,451.40

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Solution

The fourth proportional to 983,692,128.48, 1,475,320,628.56 and 284,032,451.40 is: 425,985,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,692,128.48 : 1,475,320,628.56 = 284,032,451.40 : x
  2. Step 2: Convert to fraction form
    983,692,128.48/1,475,320,628.56 = 284,032,451.40/x
  3. Step 3: Cross multiply
    983,692,128.48x = 1,475,320,628.56 × 284,032,451.40
  4. Step 4: Simplify right side
    983,692,128.48x = 419,038,934,730,885,632
  5. Step 5: Solve for x
    x = 419,038,934,730,885,632/983,692,128.48
  6. Step 6: Final answer
    x = 425,985,857.36

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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.