Home / 1,380,429,768.74-2,070,935,502.46-447,679,886.16

Finding the Fourth Proportional to 1,380,429,768.74, 2,070,935,502.46 and 447,679,886.16

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Solution

The fourth proportional to 1,380,429,768.74, 2,070,935,502.46 and 447,679,886.16 is: 671,614,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,429,768.74 : 2,070,935,502.46 = 447,679,886.16 : x
  2. Step 2: Convert to fraction form
    1,380,429,768.74/2,070,935,502.46 = 447,679,886.16/x
  3. Step 3: Cross multiply
    1,380,429,768.74x = 2,070,935,502.46 × 447,679,886.16
  4. Step 4: Simplify right side
    1,380,429,768.74x = 927,116,169,985,995,264
  5. Step 5: Solve for x
    x = 927,116,169,985,995,264/1,380,429,768.74
  6. Step 6: Final answer
    x = 671,614,153.06

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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.