Home / 7,812,590,326.20-10,782,298,925.10-4,640,786,774.10

Finding the Fourth Proportional to 7,812,590,326.20, 10,782,298,925.10 and 4,640,786,774.10

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Solution

The fourth proportional to 7,812,590,326.20, 10,782,298,925.10 and 4,640,786,774.10 is: 6,404,834,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,590,326.20 : 10,782,298,925.10 = 4,640,786,774.10 : x
  2. Step 2: Convert to fraction form
    7,812,590,326.20/10,782,298,925.10 = 4,640,786,774.10/x
  3. Step 3: Cross multiply
    7,812,590,326.20x = 10,782,298,925.10 × 4,640,786,774.10
  4. Step 4: Simplify right side
    7,812,590,326.20x = 50,038,350,245,996,732,416
  5. Step 5: Solve for x
    x = 50,038,350,245,996,732,416/7,812,590,326.20
  6. Step 6: Final answer
    x = 6,404,834,780.37

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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.