Home / 497,840,444.40-746,760,666.60-186,947,459.40

Finding the Fourth Proportional to 497,840,444.40, 746,760,666.60 and 186,947,459.40

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Solution

The fourth proportional to 497,840,444.40, 746,760,666.60 and 186,947,459.40 is: 280,421,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,840,444.40 : 746,760,666.60 = 186,947,459.40 : x
  2. Step 2: Convert to fraction form
    497,840,444.40/746,760,666.60 = 186,947,459.40/x
  3. Step 3: Cross multiply
    497,840,444.40x = 746,760,666.60 × 186,947,459.40
  4. Step 4: Simplify right side
    497,840,444.40x = 139,605,009,400,720,448
  5. Step 5: Solve for x
    x = 139,605,009,400,720,448/497,840,444.40
  6. Step 6: Final answer
    x = 280,421,189.10

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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.