Home / 673,133,459.80-1,009,736,931.24-213,037,298.68

Finding the Fourth Proportional to 673,133,459.80, 1,009,736,931.24 and 213,037,298.68

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Solution

The fourth proportional to 673,133,459.80, 1,009,736,931.24 and 213,037,298.68 is: 319,567,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,133,459.80 : 1,009,736,931.24 = 213,037,298.68 : x
  2. Step 2: Convert to fraction form
    673,133,459.80/1,009,736,931.24 = 213,037,298.68/x
  3. Step 3: Cross multiply
    673,133,459.80x = 1,009,736,931.24 × 213,037,298.68
  4. Step 4: Simplify right side
    673,133,459.80x = 215,111,628,208,802,528
  5. Step 5: Solve for x
    x = 215,111,628,208,802,528/673,133,459.80
  6. Step 6: Final answer
    x = 319,567,576.20

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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.