Home / 470,290,875.20-704,586,007.20-402,266,427.20

Finding the Fourth Proportional to 470,290,875.20, 704,586,007.20 and 402,266,427.20

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Solution

The fourth proportional to 470,290,875.20, 704,586,007.20 and 402,266,427.20 is: 602,672,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,290,875.20 : 704,586,007.20 = 402,266,427.20 : x
  2. Step 2: Convert to fraction form
    470,290,875.20/704,586,007.20 = 402,266,427.20/x
  3. Step 3: Cross multiply
    470,290,875.20x = 704,586,007.20 × 402,266,427.20
  4. Step 4: Simplify right side
    470,290,875.20x = 283,431,295,771,457,472
  5. Step 5: Solve for x
    x = 283,431,295,771,457,472/470,290,875.20
  6. Step 6: Final answer
    x = 602,672,326.25

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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.