Home / 570,398,675.86-787,154,795.13-316,084,280.67

Finding the Fourth Proportional to 570,398,675.86, 787,154,795.13 and 316,084,280.67

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Solution

The fourth proportional to 570,398,675.86, 787,154,795.13 and 316,084,280.67 is: 436,198,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,398,675.86 : 787,154,795.13 = 316,084,280.67 : x
  2. Step 2: Convert to fraction form
    570,398,675.86/787,154,795.13 = 316,084,280.67/x
  3. Step 3: Cross multiply
    570,398,675.86x = 787,154,795.13 × 316,084,280.67
  4. Step 4: Simplify right side
    570,398,675.86x = 248,807,257,195,792,576
  5. Step 5: Solve for x
    x = 248,807,257,195,792,576/570,398,675.86
  6. Step 6: Final answer
    x = 436,198,868.84

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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.