Home / 289,710,001.60-434,565,002.40-257,965,259.20

Finding the Fourth Proportional to 289,710,001.60, 434,565,002.40 and 257,965,259.20

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Solution

The fourth proportional to 289,710,001.60, 434,565,002.40 and 257,965,259.20 is: 386,947,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,710,001.60 : 434,565,002.40 = 257,965,259.20 : x
  2. Step 2: Convert to fraction form
    289,710,001.60/434,565,002.40 = 257,965,259.20/x
  3. Step 3: Cross multiply
    289,710,001.60x = 434,565,002.40 × 257,965,259.20
  4. Step 4: Simplify right side
    289,710,001.60x = 112,102,673,483,364,608
  5. Step 5: Solve for x
    x = 112,102,673,483,364,608/289,710,001.60
  6. Step 6: Final answer
    x = 386,947,888.80

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