Home / 652,664,239.04-978,709,074.21-345,884,476.16

Finding the Fourth Proportional to 652,664,239.04, 978,709,074.21 and 345,884,476.16

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Solution

The fourth proportional to 652,664,239.04, 978,709,074.21 and 345,884,476.16 is: 518,674,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,664,239.04 : 978,709,074.21 = 345,884,476.16 : x
  2. Step 2: Convert to fraction form
    652,664,239.04/978,709,074.21 = 345,884,476.16/x
  3. Step 3: Cross multiply
    652,664,239.04x = 978,709,074.21 × 345,884,476.16
  4. Step 4: Simplify right side
    652,664,239.04x = 338,520,275,446,164,480
  5. Step 5: Solve for x
    x = 338,520,275,446,164,480/652,664,239.04
  6. Step 6: Final answer
    x = 518,674,465.67

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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.