Home / 710,003,046.40-1,065,004,569.60-514,999,628.80

Finding the Fourth Proportional to 710,003,046.40, 1,065,004,569.60 and 514,999,628.80

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Solution

The fourth proportional to 710,003,046.40, 1,065,004,569.60 and 514,999,628.80 is: 772,499,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,003,046.40 : 1,065,004,569.60 = 514,999,628.80 : x
  2. Step 2: Convert to fraction form
    710,003,046.40/1,065,004,569.60 = 514,999,628.80/x
  3. Step 3: Cross multiply
    710,003,046.40x = 1,065,004,569.60 × 514,999,628.80
  4. Step 4: Simplify right side
    710,003,046.40x = 548,476,958,014,303,808
  5. Step 5: Solve for x
    x = 548,476,958,014,303,808/710,003,046.40
  6. Step 6: Final answer
    x = 772,499,443.20

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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.