Home / 977,886,982.80-1,466,830,474.20-322,939,094.40

Finding the Fourth Proportional to 977,886,982.80, 1,466,830,474.20 and 322,939,094.40

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Solution

The fourth proportional to 977,886,982.80, 1,466,830,474.20 and 322,939,094.40 is: 484,408,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,886,982.80 : 1,466,830,474.20 = 322,939,094.40 : x
  2. Step 2: Convert to fraction form
    977,886,982.80/1,466,830,474.20 = 322,939,094.40/x
  3. Step 3: Cross multiply
    977,886,982.80x = 1,466,830,474.20 × 322,939,094.40
  4. Step 4: Simplify right side
    977,886,982.80x = 473,696,904,976,470,528
  5. Step 5: Solve for x
    x = 473,696,904,976,470,528/977,886,982.80
  6. Step 6: Final answer
    x = 484,408,641.60

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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.