Home / 991,496,903.14-1,487,191,533.45-301,350,348.91

Finding the Fourth Proportional to 991,496,903.14, 1,487,191,533.45 and 301,350,348.91

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Solution

The fourth proportional to 991,496,903.14, 1,487,191,533.45 and 301,350,348.91 is: 452,009,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,496,903.14 : 1,487,191,533.45 = 301,350,348.91 : x
  2. Step 2: Convert to fraction form
    991,496,903.14/1,487,191,533.45 = 301,350,348.91/x
  3. Step 3: Cross multiply
    991,496,903.14x = 1,487,191,533.45 × 301,350,348.91
  4. Step 4: Simplify right side
    991,496,903.14x = 448,165,687,501,155,520
  5. Step 5: Solve for x
    x = 448,165,687,501,155,520/991,496,903.14
  6. Step 6: Final answer
    x = 452,009,165.21

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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.