Home / 790,016,533,534.95-1,090,221,969,247.80-429,134,617,688.51

Finding the Fourth Proportional to 790,016,533,534.95, 1,090,221,969,247.80 and 429,134,617,688.51

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Solution

The fourth proportional to 790,016,533,534.95, 1,090,221,969,247.80 and 429,134,617,688.51 is: 592,205,312,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,016,533,534.95 : 1,090,221,969,247.80 = 429,134,617,688.51 : x
  2. Step 2: Convert to fraction form
    790,016,533,534.95/1,090,221,969,247.80 = 429,134,617,688.51/x
  3. Step 3: Cross multiply
    790,016,533,534.95x = 1,090,221,969,247.80 × 429,134,617,688.51
  4. Step 4: Simplify right side
    790,016,533,534.95x = 467,851,987,968,769,189,216,256
  5. Step 5: Solve for x
    x = 467,851,987,968,769,189,216,256/790,016,533,534.95
  6. Step 6: Final answer
    x = 592,205,312,305.75

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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.