Home / 539,009,731.60-808,514,597.40-193,838,802.10

Finding the Fourth Proportional to 539,009,731.60, 808,514,597.40 and 193,838,802.10

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Solution

The fourth proportional to 539,009,731.60, 808,514,597.40 and 193,838,802.10 is: 290,758,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,009,731.60 : 808,514,597.40 = 193,838,802.10 : x
  2. Step 2: Convert to fraction form
    539,009,731.60/808,514,597.40 = 193,838,802.10/x
  3. Step 3: Cross multiply
    539,009,731.60x = 808,514,597.40 × 193,838,802.10
  4. Step 4: Simplify right side
    539,009,731.60x = 156,721,501,040,379,776
  5. Step 5: Solve for x
    x = 156,721,501,040,379,776/539,009,731.60
  6. Step 6: Final answer
    x = 290,758,203.15

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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.