Home / 710,460,394.47-1,065,842,708.49-212,510,018.97

Finding the Fourth Proportional to 710,460,394.47, 1,065,842,708.49 and 212,510,018.97

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Solution

The fourth proportional to 710,460,394.47, 1,065,842,708.49 and 212,510,018.97 is: 318,810,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,460,394.47 : 1,065,842,708.49 = 212,510,018.97 : x
  2. Step 2: Convert to fraction form
    710,460,394.47/1,065,842,708.49 = 212,510,018.97/x
  3. Step 3: Cross multiply
    710,460,394.47x = 1,065,842,708.49 × 212,510,018.97
  4. Step 4: Simplify right side
    710,460,394.47x = 226,502,254,200,246,080
  5. Step 5: Solve for x
    x = 226,502,254,200,246,080/710,460,394.47
  6. Step 6: Final answer
    x = 318,810,529.01

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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.