Home / 539,009,740.40-808,514,610.60-534,474,777.20

Finding the Fourth Proportional to 539,009,740.40, 808,514,610.60 and 534,474,777.20

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Solution

The fourth proportional to 539,009,740.40, 808,514,610.60 and 534,474,777.20 is: 801,712,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,009,740.40 : 808,514,610.60 = 534,474,777.20 : x
  2. Step 2: Convert to fraction form
    539,009,740.40/808,514,610.60 = 534,474,777.20/x
  3. Step 3: Cross multiply
    539,009,740.40x = 808,514,610.60 × 534,474,777.20
  4. Step 4: Simplify right side
    539,009,740.40x = 432,130,666,363,379,776
  5. Step 5: Solve for x
    x = 432,130,666,363,379,776/539,009,740.40
  6. Step 6: Final answer
    x = 801,712,165.80

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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.