Home / 1,178,624,130.28-1,767,449,779.28-402,332,318.36

Finding the Fourth Proportional to 1,178,624,130.28, 1,767,449,779.28 and 402,332,318.36

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Solution

The fourth proportional to 1,178,624,130.28, 1,767,449,779.28 and 402,332,318.36 is: 603,332,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,624,130.28 : 1,767,449,779.28 = 402,332,318.36 : x
  2. Step 2: Convert to fraction form
    1,178,624,130.28/1,767,449,779.28 = 402,332,318.36/x
  3. Step 3: Cross multiply
    1,178,624,130.28x = 1,767,449,779.28 × 402,332,318.36
  4. Step 4: Simplify right side
    1,178,624,130.28x = 711,102,167,282,592,768
  5. Step 5: Solve for x
    x = 711,102,167,282,592,768/1,178,624,130.28
  6. Step 6: Final answer
    x = 603,332,435.69

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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.