Home / 348,786,779.40-523,180,169.10-155,076,534.90

Finding the Fourth Proportional to 348,786,779.40, 523,180,169.10 and 155,076,534.90

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Solution

The fourth proportional to 348,786,779.40, 523,180,169.10 and 155,076,534.90 is: 232,614,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,786,779.40 : 523,180,169.10 = 155,076,534.90 : x
  2. Step 2: Convert to fraction form
    348,786,779.40/523,180,169.10 = 155,076,534.90/x
  3. Step 3: Cross multiply
    348,786,779.40x = 523,180,169.10 × 155,076,534.90
  4. Step 4: Simplify right side
    348,786,779.40x = 81,132,967,752,424,064
  5. Step 5: Solve for x
    x = 81,132,967,752,424,064/348,786,779.40
  6. Step 6: Final answer
    x = 232,614,802.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.