Home / 8,261,413,645.32-12,395,779,931.61-4,330,185,529.68

Finding the Fourth Proportional to 8,261,413,645.32, 12,395,779,931.61 and 4,330,185,529.68

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Solution

The fourth proportional to 8,261,413,645.32, 12,395,779,931.61 and 4,330,185,529.68 is: 6,497,196,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261,413,645.32 : 12,395,779,931.61 = 4,330,185,529.68 : x
  2. Step 2: Convert to fraction form
    8,261,413,645.32/12,395,779,931.61 = 4,330,185,529.68/x
  3. Step 3: Cross multiply
    8,261,413,645.32x = 12,395,779,931.61 × 4,330,185,529.68
  4. Step 4: Simplify right side
    8,261,413,645.32x = 53,676,026,888,955,371,520
  5. Step 5: Solve for x
    x = 53,676,026,888,955,371,520/8,261,413,645.32
  6. Step 6: Final answer
    x = 6,497,196,387.13

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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.