Home / 513,242,567.57-708,288,670.08-290,257,594.18

Finding the Fourth Proportional to 513,242,567.57, 708,288,670.08 and 290,257,594.18

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Solution

The fourth proportional to 513,242,567.57, 708,288,670.08 and 290,257,594.18 is: 400,563,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,242,567.57 : 708,288,670.08 = 290,257,594.18 : x
  2. Step 2: Convert to fraction form
    513,242,567.57/708,288,670.08 = 290,257,594.18/x
  3. Step 3: Cross multiply
    513,242,567.57x = 708,288,670.08 × 290,257,594.18
  4. Step 4: Simplify right side
    513,242,567.57x = 205,586,165,360,601,856
  5. Step 5: Solve for x
    x = 205,586,165,360,601,856/513,242,567.57
  6. Step 6: Final answer
    x = 400,563,356.10

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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.