Home / 424,746,904.56-586,180,187.87-257,490,215.67

Finding the Fourth Proportional to 424,746,904.56, 586,180,187.87 and 257,490,215.67

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Solution

The fourth proportional to 424,746,904.56, 586,180,187.87 and 257,490,215.67 is: 355,354,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,746,904.56 : 586,180,187.87 = 257,490,215.67 : x
  2. Step 2: Convert to fraction form
    424,746,904.56/586,180,187.87 = 257,490,215.67/x
  3. Step 3: Cross multiply
    424,746,904.56x = 586,180,187.87 × 257,490,215.67
  4. Step 4: Simplify right side
    424,746,904.56x = 150,935,662,994,839,968
  5. Step 5: Solve for x
    x = 150,935,662,994,839,968/424,746,904.56
  6. Step 6: Final answer
    x = 355,354,356.62

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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.