Home / 549,710,005.78-758,594,463.22-409,209,536.89

Finding the Fourth Proportional to 549,710,005.78, 758,594,463.22 and 409,209,536.89

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Solution

The fourth proportional to 549,710,005.78, 758,594,463.22 and 409,209,536.89 is: 564,705,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,710,005.78 : 758,594,463.22 = 409,209,536.89 : x
  2. Step 2: Convert to fraction form
    549,710,005.78/758,594,463.22 = 409,209,536.89/x
  3. Step 3: Cross multiply
    549,710,005.78x = 758,594,463.22 × 409,209,536.89
  4. Step 4: Simplify right side
    549,710,005.78x = 310,424,088,978,654,784
  5. Step 5: Solve for x
    x = 310,424,088,978,654,784/549,710,005.78
  6. Step 6: Final answer
    x = 564,705,182.22

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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.