Home / 409,436,700.90-614,155,051.35-293,210,554.20

Finding the Fourth Proportional to 409,436,700.90, 614,155,051.35 and 293,210,554.20

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Solution

The fourth proportional to 409,436,700.90, 614,155,051.35 and 293,210,554.20 is: 439,815,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,436,700.90 : 614,155,051.35 = 293,210,554.20 : x
  2. Step 2: Convert to fraction form
    409,436,700.90/614,155,051.35 = 293,210,554.20/x
  3. Step 3: Cross multiply
    409,436,700.90x = 614,155,051.35 × 293,210,554.20
  4. Step 4: Simplify right side
    409,436,700.90x = 180,076,742,971,062,944
  5. Step 5: Solve for x
    x = 180,076,742,971,062,944/409,436,700.90
  6. Step 6: Final answer
    x = 439,815,831.30

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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.