Home / 977,886,021.80-1,466,829,032.70-322,938,133.40

Finding the Fourth Proportional to 977,886,021.80, 1,466,829,032.70 and 322,938,133.40

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Solution

The fourth proportional to 977,886,021.80, 1,466,829,032.70 and 322,938,133.40 is: 484,407,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,886,021.80 : 1,466,829,032.70 = 322,938,133.40 : x
  2. Step 2: Convert to fraction form
    977,886,021.80/1,466,829,032.70 = 322,938,133.40/x
  3. Step 3: Cross multiply
    977,886,021.80x = 1,466,829,032.70 × 322,938,133.40
  4. Step 4: Simplify right side
    977,886,021.80x = 473,695,029,837,065,536
  5. Step 5: Solve for x
    x = 473,695,029,837,065,536/977,886,021.80
  6. Step 6: Final answer
    x = 484,407,200.10

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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.