Home / 1,065,709,946.25-1,470,605,066.84-619,641,663.09

Finding the Fourth Proportional to 1,065,709,946.25, 1,470,605,066.84 and 619,641,663.09

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Solution

The fourth proportional to 1,065,709,946.25, 1,470,605,066.84 and 619,641,663.09 is: 855,062,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,709,946.25 : 1,470,605,066.84 = 619,641,663.09 : x
  2. Step 2: Convert to fraction form
    1,065,709,946.25/1,470,605,066.84 = 619,641,663.09/x
  3. Step 3: Cross multiply
    1,065,709,946.25x = 1,470,605,066.84 × 619,641,663.09
  4. Step 4: Simplify right side
    1,065,709,946.25x = 911,248,169,362,220,032
  5. Step 5: Solve for x
    x = 911,248,169,362,220,032/1,065,709,946.25
  6. Step 6: Final answer
    x = 855,062,085.67

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Double scale
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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.