Home / 425,306,053.80-637,959,080.70-357,281,605.80

Finding the Fourth Proportional to 425,306,053.80, 637,959,080.70 and 357,281,605.80

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Solution

The fourth proportional to 425,306,053.80, 637,959,080.70 and 357,281,605.80 is: 535,922,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,306,053.80 : 637,959,080.70 = 357,281,605.80 : x
  2. Step 2: Convert to fraction form
    425,306,053.80/637,959,080.70 = 357,281,605.80/x
  3. Step 3: Cross multiply
    425,306,053.80x = 637,959,080.70 × 357,281,605.80
  4. Step 4: Simplify right side
    425,306,053.80x = 227,931,044,787,187,808
  5. Step 5: Solve for x
    x = 227,931,044,787,187,808/425,306,053.80
  6. Step 6: Final answer
    x = 535,922,408.70

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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.