Home / 875,177,205.42-1,312,768,031.58-357,607,646.58

Finding the Fourth Proportional to 875,177,205.42, 1,312,768,031.58 and 357,607,646.58

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Solution

The fourth proportional to 875,177,205.42, 1,312,768,031.58 and 357,607,646.58 is: 536,412,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,177,205.42 : 1,312,768,031.58 = 357,607,646.58 : x
  2. Step 2: Convert to fraction form
    875,177,205.42/1,312,768,031.58 = 357,607,646.58/x
  3. Step 3: Cross multiply
    875,177,205.42x = 1,312,768,031.58 × 357,607,646.58
  4. Step 4: Simplify right side
    875,177,205.42x = 469,455,886,278,782,848
  5. Step 5: Solve for x
    x = 469,455,886,278,782,848/875,177,205.42
  6. Step 6: Final answer
    x = 536,412,378.40

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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.