Home / 704,547,812.40-1,056,821,718.60-510,048,279.60

Finding the Fourth Proportional to 704,547,812.40, 1,056,821,718.60 and 510,048,279.60

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Solution

The fourth proportional to 704,547,812.40, 1,056,821,718.60 and 510,048,279.60 is: 765,072,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,547,812.40 : 1,056,821,718.60 = 510,048,279.60 : x
  2. Step 2: Convert to fraction form
    704,547,812.40/1,056,821,718.60 = 510,048,279.60/x
  3. Step 3: Cross multiply
    704,547,812.40x = 1,056,821,718.60 × 510,048,279.60
  4. Step 4: Simplify right side
    704,547,812.40x = 539,030,099,415,845,376
  5. Step 5: Solve for x
    x = 539,030,099,415,845,376/704,547,812.40
  6. Step 6: Final answer
    x = 765,072,419.40

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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.