Home / 1,020,223,651,507.40-1,530,341,198,565-340,300,141,053.80

Finding the Fourth Proportional to 1,020,223,651,507.40, 1,530,341,198,565 and 340,300,141,053.80

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Solution

The fourth proportional to 1,020,223,651,507.40, 1,530,341,198,565 and 340,300,141,053.80 is: 510,452,119,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,223,651,507.40 : 1,530,341,198,565 = 340,300,141,053.80 : x
  2. Step 2: Convert to fraction form
    1,020,223,651,507.40/1,530,341,198,565 = 340,300,141,053.80/x
  3. Step 3: Cross multiply
    1,020,223,651,507.40x = 1,530,341,198,565 × 340,300,141,053.80
  4. Step 4: Simplify right side
    1,020,223,651,507.40x = 520,775,325,732,110,851,899,392
  5. Step 5: Solve for x
    x = 520,775,325,732,110,851,899,392/1,020,223,651,507.40
  6. Step 6: Final answer
    x = 510,452,119,947.09

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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.