Home / 652,480,515.96-900,423,061.93-355,124,890.32

Finding the Fourth Proportional to 652,480,515.96, 900,423,061.93 and 355,124,890.32

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Solution

The fourth proportional to 652,480,515.96, 900,423,061.93 and 355,124,890.32 is: 490,072,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,480,515.96 : 900,423,061.93 = 355,124,890.32 : x
  2. Step 2: Convert to fraction form
    652,480,515.96/900,423,061.93 = 355,124,890.32/x
  3. Step 3: Cross multiply
    652,480,515.96x = 900,423,061.93 × 355,124,890.32
  4. Step 4: Simplify right side
    652,480,515.96x = 319,762,641,104,987,712
  5. Step 5: Solve for x
    x = 319,762,641,104,987,712/652,480,515.96
  6. Step 6: Final answer
    x = 490,072,321.37

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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.