Home / 832,106,501.20-1,248,159,751.80-423,959,813.20

Finding the Fourth Proportional to 832,106,501.20, 1,248,159,751.80 and 423,959,813.20

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Solution

The fourth proportional to 832,106,501.20, 1,248,159,751.80 and 423,959,813.20 is: 635,939,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,106,501.20 : 1,248,159,751.80 = 423,959,813.20 : x
  2. Step 2: Convert to fraction form
    832,106,501.20/1,248,159,751.80 = 423,959,813.20/x
  3. Step 3: Cross multiply
    832,106,501.20x = 1,248,159,751.80 × 423,959,813.20
  4. Step 4: Simplify right side
    832,106,501.20x = 529,169,575,216,886,336
  5. Step 5: Solve for x
    x = 529,169,575,216,886,336/832,106,501.20
  6. Step 6: Final answer
    x = 635,939,719.80

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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.