Home / 1,151,502,801.90-1,723,852,980.45-763,763,448.30

Finding the Fourth Proportional to 1,151,502,801.90, 1,723,852,980.45 and 763,763,448.30

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Solution

The fourth proportional to 1,151,502,801.90, 1,723,852,980.45 and 763,763,448.30 is: 1,143,389,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,502,801.90 : 1,723,852,980.45 = 763,763,448.30 : x
  2. Step 2: Convert to fraction form
    1,151,502,801.90/1,723,852,980.45 = 763,763,448.30/x
  3. Step 3: Cross multiply
    1,151,502,801.90x = 1,723,852,980.45 × 763,763,448.30
  4. Step 4: Simplify right side
    1,151,502,801.90x = 1,316,615,896,710,724,352
  5. Step 5: Solve for x
    x = 1,316,615,896,710,724,352/1,151,502,801.90
  6. Step 6: Final answer
    x = 1,143,389,225.40

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.