Home / 710,048,019.60-1,065,072,029.40-400,111,628.40

Finding the Fourth Proportional to 710,048,019.60, 1,065,072,029.40 and 400,111,628.40

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Solution

The fourth proportional to 710,048,019.60, 1,065,072,029.40 and 400,111,628.40 is: 600,167,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,048,019.60 : 1,065,072,029.40 = 400,111,628.40 : x
  2. Step 2: Convert to fraction form
    710,048,019.60/1,065,072,029.40 = 400,111,628.40/x
  3. Step 3: Cross multiply
    710,048,019.60x = 1,065,072,029.40 × 400,111,628.40
  4. Step 4: Simplify right side
    710,048,019.60x = 426,147,704,046,526,656
  5. Step 5: Solve for x
    x = 426,147,704,046,526,656/710,048,019.60
  6. Step 6: Final answer
    x = 600,167,442.60

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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.