Home / 539,009,776.40-808,514,664.60-498,195,107.60

Finding the Fourth Proportional to 539,009,776.40, 808,514,664.60 and 498,195,107.60

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Solution

The fourth proportional to 539,009,776.40, 808,514,664.60 and 498,195,107.60 is: 747,292,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,009,776.40 : 808,514,664.60 = 498,195,107.60 : x
  2. Step 2: Convert to fraction form
    539,009,776.40/808,514,664.60 = 498,195,107.60/x
  3. Step 3: Cross multiply
    539,009,776.40x = 808,514,664.60 × 498,195,107.60
  4. Step 4: Simplify right side
    539,009,776.40x = 402,798,050,326,574,912
  5. Step 5: Solve for x
    x = 402,798,050,326,574,912/539,009,776.40
  6. Step 6: Final answer
    x = 747,292,661.40

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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.