Home / 651,392,055.40-977,088,083.10-457,522,378.60

Finding the Fourth Proportional to 651,392,055.40, 977,088,083.10 and 457,522,378.60

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Solution

The fourth proportional to 651,392,055.40, 977,088,083.10 and 457,522,378.60 is: 686,283,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,392,055.40 : 977,088,083.10 = 457,522,378.60 : x
  2. Step 2: Convert to fraction form
    651,392,055.40/977,088,083.10 = 457,522,378.60/x
  3. Step 3: Cross multiply
    651,392,055.40x = 977,088,083.10 × 457,522,378.60
  4. Step 4: Simplify right side
    651,392,055.40x = 447,039,663,881,626,496
  5. Step 5: Solve for x
    x = 447,039,663,881,626,496/651,392,055.40
  6. Step 6: Final answer
    x = 686,283,567.90

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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.