Home / 1,316,151,030.80-1,974,206,617.34-320,181,438.53

Finding the Fourth Proportional to 1,316,151,030.80, 1,974,206,617.34 and 320,181,438.53

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Solution

The fourth proportional to 1,316,151,030.80, 1,974,206,617.34 and 320,181,438.53 is: 480,267,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,151,030.80 : 1,974,206,617.34 = 320,181,438.53 : x
  2. Step 2: Convert to fraction form
    1,316,151,030.80/1,974,206,617.34 = 320,181,438.53/x
  3. Step 3: Cross multiply
    1,316,151,030.80x = 1,974,206,617.34 × 320,181,438.53
  4. Step 4: Simplify right side
    1,316,151,030.80x = 632,104,314,683,894,528
  5. Step 5: Solve for x
    x = 632,104,314,683,894,528/1,316,151,030.80
  6. Step 6: Final answer
    x = 480,267,309.67

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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.