Home / 470,863,025.52-649,748,740.58-272,637,899.10

Finding the Fourth Proportional to 470,863,025.52, 649,748,740.58 and 272,637,899.10

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Solution

The fourth proportional to 470,863,025.52, 649,748,740.58 and 272,637,899.10 is: 376,215,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,863,025.52 : 649,748,740.58 = 272,637,899.10 : x
  2. Step 2: Convert to fraction form
    470,863,025.52/649,748,740.58 = 272,637,899.10/x
  3. Step 3: Cross multiply
    470,863,025.52x = 649,748,740.58 × 272,637,899.10
  4. Step 4: Simplify right side
    470,863,025.52x = 177,146,131,574,602,144
  5. Step 5: Solve for x
    x = 177,146,131,574,602,144/470,863,025.52
  6. Step 6: Final answer
    x = 376,215,846.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.