Home / 1,291,312,069,939.10-1,782,010,588,364.40-697,367,585,319.54

Finding the Fourth Proportional to 1,291,312,069,939.10, 1,782,010,588,364.40 and 697,367,585,319.54

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Solution

The fourth proportional to 1,291,312,069,939.10, 1,782,010,588,364.40 and 697,367,585,319.54 is: 962,367,230,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,312,069,939.10 : 1,782,010,588,364.40 = 697,367,585,319.54 : x
  2. Step 2: Convert to fraction form
    1,291,312,069,939.10/1,782,010,588,364.40 = 697,367,585,319.54/x
  3. Step 3: Cross multiply
    1,291,312,069,939.10x = 1,782,010,588,364.40 × 697,367,585,319.54
  4. Step 4: Simplify right side
    1,291,312,069,939.10x = 1,242,716,421,021,534,523,490,304
  5. Step 5: Solve for x
    x = 1,242,716,421,021,534,523,490,304/1,291,312,069,939.10
  6. Step 6: Final answer
    x = 962,367,230,936.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.