Home / 856,944,159.36-1,182,712,208.40-522,610,645.92

Finding the Fourth Proportional to 856,944,159.36, 1,182,712,208.40 and 522,610,645.92

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Solution

The fourth proportional to 856,944,159.36, 1,182,712,208.40 and 522,610,645.92 is: 721,281,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,944,159.36 : 1,182,712,208.40 = 522,610,645.92 : x
  2. Step 2: Convert to fraction form
    856,944,159.36/1,182,712,208.40 = 522,610,645.92/x
  3. Step 3: Cross multiply
    856,944,159.36x = 1,182,712,208.40 × 522,610,645.92
  4. Step 4: Simplify right side
    856,944,159.36x = 618,097,991,169,393,664
  5. Step 5: Solve for x
    x = 618,097,991,169,393,664/856,944,159.36
  6. Step 6: Final answer
    x = 721,281,526.24

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1.5x scale

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.