Home / 875,196,891.02-1,207,757,498.58-478,716,412.52

Finding the Fourth Proportional to 875,196,891.02, 1,207,757,498.58 and 478,716,412.52

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Solution

The fourth proportional to 875,196,891.02, 1,207,757,498.58 and 478,716,412.52 is: 660,620,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,196,891.02 : 1,207,757,498.58 = 478,716,412.52 : x
  2. Step 2: Convert to fraction form
    875,196,891.02/1,207,757,498.58 = 478,716,412.52/x
  3. Step 3: Cross multiply
    875,196,891.02x = 1,207,757,498.58 × 478,716,412.52
  4. Step 4: Simplify right side
    875,196,891.02x = 578,173,336,908,307,712
  5. Step 5: Solve for x
    x = 578,173,336,908,307,712/875,196,891.02
  6. Step 6: Final answer
    x = 660,620,876.11

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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.