Home / 716,066,442,703.30-988,175,704,639.25-407,417,794,250.12

Finding the Fourth Proportional to 716,066,442,703.30, 988,175,704,639.25 and 407,417,794,250.12

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Solution

The fourth proportional to 716,066,442,703.30, 988,175,704,639.25 and 407,417,794,250.12 is: 562,238,839,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,066,442,703.30 : 988,175,704,639.25 = 407,417,794,250.12 : x
  2. Step 2: Convert to fraction form
    716,066,442,703.30/988,175,704,639.25 = 407,417,794,250.12/x
  3. Step 3: Cross multiply
    716,066,442,703.30x = 988,175,704,639.25 × 407,417,794,250.12
  4. Step 4: Simplify right side
    716,066,442,703.30x = 402,600,365,915,681,312,473,088
  5. Step 5: Solve for x
    x = 402,600,365,915,681,312,473,088/716,066,442,703.30
  6. Step 6: Final answer
    x = 562,238,839,730.82

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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.