Home / 521,520,772,806.10-782,281,159,209.15-506,827,492,038.10

Finding the Fourth Proportional to 521,520,772,806.10, 782,281,159,209.15 and 506,827,492,038.10

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Solution

The fourth proportional to 521,520,772,806.10, 782,281,159,209.15 and 506,827,492,038.10 is: 760,241,238,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,772,806.10 : 782,281,159,209.15 = 506,827,492,038.10 : x
  2. Step 2: Convert to fraction form
    521,520,772,806.10/782,281,159,209.15 = 506,827,492,038.10/x
  3. Step 3: Cross multiply
    521,520,772,806.10x = 782,281,159,209.15 × 506,827,492,038.10
  4. Step 4: Simplify right side
    521,520,772,806.10x = 396,481,597,990,631,098,023,936
  5. Step 5: Solve for x
    x = 396,481,597,990,631,098,023,936/521,520,772,806.10
  6. Step 6: Final answer
    x = 760,241,238,057.15

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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.