Home / 520,826,802.93-719,337,500.55-343,005,590.48

Finding the Fourth Proportional to 520,826,802.93, 719,337,500.55 and 343,005,590.48

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Solution

The fourth proportional to 520,826,802.93, 719,337,500.55 and 343,005,590.48 is: 473,740,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,826,802.93 : 719,337,500.55 = 343,005,590.48 : x
  2. Step 2: Convert to fraction form
    520,826,802.93/719,337,500.55 = 343,005,590.48/x
  3. Step 3: Cross multiply
    520,826,802.93x = 719,337,500.55 × 343,005,590.48
  4. Step 4: Simplify right side
    520,826,802.93x = 246,736,784,126,963,392
  5. Step 5: Solve for x
    x = 246,736,784,126,963,392/520,826,802.93
  6. Step 6: Final answer
    x = 473,740,565.46

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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.