Home / 977,898,065.80-1,466,847,098.70-909,023,312.20

Finding the Fourth Proportional to 977,898,065.80, 1,466,847,098.70 and 909,023,312.20

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Solution

The fourth proportional to 977,898,065.80, 1,466,847,098.70 and 909,023,312.20 is: 1,363,534,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,898,065.80 : 1,466,847,098.70 = 909,023,312.20 : x
  2. Step 2: Convert to fraction form
    977,898,065.80/1,466,847,098.70 = 909,023,312.20/x
  3. Step 3: Cross multiply
    977,898,065.80x = 1,466,847,098.70 × 909,023,312.20
  4. Step 4: Simplify right side
    977,898,065.80x = 1,333,398,208,151,234,304
  5. Step 5: Solve for x
    x = 1,333,398,208,151,234,304/977,898,065.80
  6. Step 6: Final answer
    x = 1,363,534,968.30

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1.5x scale

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.