Home / 532,920,645-735,205,292.76-356,765,387.40

Finding the Fourth Proportional to 532,920,645, 735,205,292.76 and 356,765,387.40

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Solution

The fourth proportional to 532,920,645, 735,205,292.76 and 356,765,387.40 is: 492,185,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,920,645 : 735,205,292.76 = 356,765,387.40 : x
  2. Step 2: Convert to fraction form
    532,920,645/735,205,292.76 = 356,765,387.40/x
  3. Step 3: Cross multiply
    532,920,645x = 735,205,292.76 × 356,765,387.40
  4. Step 4: Simplify right side
    532,920,645x = 262,295,801,090,051,808
  5. Step 5: Solve for x
    x = 262,295,801,090,051,808/532,920,645
  6. Step 6: Final answer
    x = 492,185,475.55

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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.