Home / 28,299,036,931.02-42,426,189,037.53-14,126,729,103.90

Finding the Fourth Proportional to 28,299,036,931.02, 42,426,189,037.53 and 14,126,729,103.90

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Solution

The fourth proportional to 28,299,036,931.02, 42,426,189,037.53 and 14,126,729,103.90 is: 21,178,928,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,299,036,931.02 : 42,426,189,037.53 = 14,126,729,103.90 : x
  2. Step 2: Convert to fraction form
    28,299,036,931.02/42,426,189,037.53 = 14,126,729,103.90/x
  3. Step 3: Cross multiply
    28,299,036,931.02x = 42,426,189,037.53 × 14,126,729,103.90
  4. Step 4: Simplify right side
    28,299,036,931.02x = 599,343,279,444,038,123,520
  5. Step 5: Solve for x
    x = 599,343,279,444,038,123,520/28,299,036,931.02
  6. Step 6: Final answer
    x = 21,178,928,488.10

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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.