Home / 505,779,583.16-697,991,159.14-282,770,661

Finding the Fourth Proportional to 505,779,583.16, 697,991,159.14 and 282,770,661

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Solution

The fourth proportional to 505,779,583.16, 697,991,159.14 and 282,770,661 is: 390,232,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,779,583.16 : 697,991,159.14 = 282,770,661 : x
  2. Step 2: Convert to fraction form
    505,779,583.16/697,991,159.14 = 282,770,661/x
  3. Step 3: Cross multiply
    505,779,583.16x = 697,991,159.14 × 282,770,661
  4. Step 4: Simplify right side
    505,779,583.16x = 197,371,421,442,173,984
  5. Step 5: Solve for x
    x = 197,371,421,442,173,984/505,779,583.16
  6. Step 6: Final answer
    x = 390,232,085.31

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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.