Home / 695,437,305.60-1,043,281,929.60-349,520,390.40

Finding the Fourth Proportional to 695,437,305.60, 1,043,281,929.60 and 349,520,390.40

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Solution

The fourth proportional to 695,437,305.60, 1,043,281,929.60 and 349,520,390.40 is: 524,343,897.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,437,305.60 : 1,043,281,929.60 = 349,520,390.40 : x
  2. Step 2: Convert to fraction form
    695,437,305.60/1,043,281,929.60 = 349,520,390.40/x
  3. Step 3: Cross multiply
    695,437,305.60x = 1,043,281,929.60 × 349,520,390.40
  4. Step 4: Simplify right side
    695,437,305.60x = 364,648,307,331,057,280
  5. Step 5: Solve for x
    x = 364,648,307,331,057,280/695,437,305.60
  6. Step 6: Final answer
    x = 524,343,897.57

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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.