Home / 714,613,487.12-986,173,547.50-413,176,166.11

Finding the Fourth Proportional to 714,613,487.12, 986,173,547.50 and 413,176,166.11

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Solution

The fourth proportional to 714,613,487.12, 986,173,547.50 and 413,176,166.11 is: 570,187,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,613,487.12 : 986,173,547.50 = 413,176,166.11 : x
  2. Step 2: Convert to fraction form
    714,613,487.12/986,173,547.50 = 413,176,166.11/x
  3. Step 3: Cross multiply
    714,613,487.12x = 986,173,547.50 × 413,176,166.11
  4. Step 4: Simplify right side
    714,613,487.12x = 407,463,405,475,147,968
  5. Step 5: Solve for x
    x = 407,463,405,475,147,968/714,613,487.12
  6. Step 6: Final answer
    x = 570,187,119.08

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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.