Home / 704,547,846.40-1,056,821,769.60-510,048,313.60

Finding the Fourth Proportional to 704,547,846.40, 1,056,821,769.60 and 510,048,313.60

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Solution

The fourth proportional to 704,547,846.40, 1,056,821,769.60 and 510,048,313.60 is: 765,072,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,547,846.40 : 1,056,821,769.60 = 510,048,313.60 : x
  2. Step 2: Convert to fraction form
    704,547,846.40/1,056,821,769.60 = 510,048,313.60/x
  3. Step 3: Cross multiply
    704,547,846.40x = 1,056,821,769.60 × 510,048,313.60
  4. Step 4: Simplify right side
    704,547,846.40x = 539,030,161,360,247,808
  5. Step 5: Solve for x
    x = 539,030,161,360,247,808/704,547,846.40
  6. Step 6: Final answer
    x = 765,072,470.40

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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.