Home / 651,671,444.80-977,507,167.20-376,172,430.40

Finding the Fourth Proportional to 651,671,444.80, 977,507,167.20 and 376,172,430.40

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Solution

The fourth proportional to 651,671,444.80, 977,507,167.20 and 376,172,430.40 is: 564,258,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,671,444.80 : 977,507,167.20 = 376,172,430.40 : x
  2. Step 2: Convert to fraction form
    651,671,444.80/977,507,167.20 = 376,172,430.40/x
  3. Step 3: Cross multiply
    651,671,444.80x = 977,507,167.20 × 376,172,430.40
  4. Step 4: Simplify right side
    651,671,444.80x = 367,711,246,819,043,136
  5. Step 5: Solve for x
    x = 367,711,246,819,043,136/651,671,444.80
  6. Step 6: Final answer
    x = 564,258,645.60

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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.