Home / 7,812,590,332.20-10,782,298,933.38-4,640,786,780.10

Finding the Fourth Proportional to 7,812,590,332.20, 10,782,298,933.38 and 4,640,786,780.10

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Solution

The fourth proportional to 7,812,590,332.20, 10,782,298,933.38 and 4,640,786,780.10 is: 6,404,834,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,590,332.20 : 10,782,298,933.38 = 4,640,786,780.10 : x
  2. Step 2: Convert to fraction form
    7,812,590,332.20/10,782,298,933.38 = 4,640,786,780.10/x
  3. Step 3: Cross multiply
    7,812,590,332.20x = 10,782,298,933.38 × 4,640,786,780.10
  4. Step 4: Simplify right side
    7,812,590,332.20x = 50,038,350,349,116,235,776
  5. Step 5: Solve for x
    x = 50,038,350,349,116,235,776/7,812,590,332.20
  6. Step 6: Final answer
    x = 6,404,834,788.65

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1.5x scale

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.