Home / 1,252,945,585.51-1,878,249,996.29-423,319,037.32

Finding the Fourth Proportional to 1,252,945,585.51, 1,878,249,996.29 and 423,319,037.32

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Solution

The fourth proportional to 1,252,945,585.51, 1,878,249,996.29 and 423,319,037.32 is: 634,583,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,945,585.51 : 1,878,249,996.29 = 423,319,037.32 : x
  2. Step 2: Convert to fraction form
    1,252,945,585.51/1,878,249,996.29 = 423,319,037.32/x
  3. Step 3: Cross multiply
    1,252,945,585.51x = 1,878,249,996.29 × 423,319,037.32
  4. Step 4: Simplify right side
    1,252,945,585.51x = 795,098,980,274,289,408
  5. Step 5: Solve for x
    x = 795,098,980,274,289,408/1,252,945,585.51
  6. Step 6: Final answer
    x = 634,583,807.52

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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.