Home / 570,622,955,406.12-787,460,185,023.36-313,710,223,686.12

Finding the Fourth Proportional to 570,622,955,406.12, 787,460,185,023.36 and 313,710,223,686.12

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Solution

The fourth proportional to 570,622,955,406.12, 787,460,185,023.36 and 313,710,223,686.12 is: 432,920,387,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,622,955,406.12 : 787,460,185,023.36 = 313,710,223,686.12 : x
  2. Step 2: Convert to fraction form
    570,622,955,406.12/787,460,185,023.36 = 313,710,223,686.12/x
  3. Step 3: Cross multiply
    570,622,955,406.12x = 787,460,185,023.36 × 313,710,223,686.12
  4. Step 4: Simplify right side
    570,622,955,406.12x = 247,034,310,787,591,707,820,032
  5. Step 5: Solve for x
    x = 247,034,310,787,591,707,820,032/570,622,955,406.12
  6. Step 6: Final answer
    x = 432,920,387,178.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.