Home / 753,436,327.77-1,127,944,479.71-528,307,387.25

Finding the Fourth Proportional to 753,436,327.77, 1,127,944,479.71 and 528,307,387.25

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Solution

The fourth proportional to 753,436,327.77, 1,127,944,479.71 and 528,307,387.25 is: 790,911,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,436,327.77 : 1,127,944,479.71 = 528,307,387.25 : x
  2. Step 2: Convert to fraction form
    753,436,327.77/1,127,944,479.71 = 528,307,387.25/x
  3. Step 3: Cross multiply
    753,436,327.77x = 1,127,944,479.71 × 528,307,387.25
  4. Step 4: Simplify right side
    753,436,327.77x = 595,901,401,030,369,408
  5. Step 5: Solve for x
    x = 595,901,401,030,369,408/753,436,327.77
  6. Step 6: Final answer
    x = 790,911,426.84

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1.5x scale

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.