Home / 1,680,143,295.40-2,519,459,115.90-644,660,031.40

Finding the Fourth Proportional to 1,680,143,295.40, 2,519,459,115.90 and 644,660,031.40

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Solution

The fourth proportional to 1,680,143,295.40, 2,519,459,115.90 and 644,660,031.40 is: 966,700,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,143,295.40 : 2,519,459,115.90 = 644,660,031.40 : x
  2. Step 2: Convert to fraction form
    1,680,143,295.40/2,519,459,115.90 = 644,660,031.40/x
  3. Step 3: Cross multiply
    1,680,143,295.40x = 2,519,459,115.90 × 644,660,031.40
  4. Step 4: Simplify right side
    1,680,143,295.40x = 1,624,194,592,767,110,144
  5. Step 5: Solve for x
    x = 1,624,194,592,767,110,144/1,680,143,295.40
  6. Step 6: Final answer
    x = 966,700,041.13

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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.