Home / 539,009,795.40-808,514,693.10-498,195,126.60

Finding the Fourth Proportional to 539,009,795.40, 808,514,693.10 and 498,195,126.60

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Solution

The fourth proportional to 539,009,795.40, 808,514,693.10 and 498,195,126.60 is: 747,292,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,009,795.40 : 808,514,693.10 = 498,195,126.60 : x
  2. Step 2: Convert to fraction form
    539,009,795.40/808,514,693.10 = 498,195,126.60/x
  3. Step 3: Cross multiply
    539,009,795.40x = 808,514,693.10 × 498,195,126.60
  4. Step 4: Simplify right side
    539,009,795.40x = 402,798,079,886,914,688
  5. Step 5: Solve for x
    x = 402,798,079,886,914,688/539,009,795.40
  6. Step 6: Final answer
    x = 747,292,689.90

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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.