Home / 390,865,932.60-585,925,650.90-145,156,774.20

Finding the Fourth Proportional to 390,865,932.60, 585,925,650.90 and 145,156,774.20

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Solution

The fourth proportional to 390,865,932.60, 585,925,650.90 and 145,156,774.20 is: 217,596,547.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,865,932.60 : 585,925,650.90 = 145,156,774.20 : x
  2. Step 2: Convert to fraction form
    390,865,932.60/585,925,650.90 = 145,156,774.20/x
  3. Step 3: Cross multiply
    390,865,932.60x = 585,925,650.90 × 145,156,774.20
  4. Step 4: Simplify right side
    390,865,932.60x = 85,051,077,405,679,312
  5. Step 5: Solve for x
    x = 85,051,077,405,679,312/390,865,932.60
  6. Step 6: Final answer
    x = 217,596,547.34

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