Home / 859,413,668,114.31-1,185,994,549,145.90-468,788,744,538.15

Finding the Fourth Proportional to 859,413,668,114.31, 1,185,994,549,145.90 and 468,788,744,538.15

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Solution

The fourth proportional to 859,413,668,114.31, 1,185,994,549,145.90 and 468,788,744,538.15 is: 646,930,478,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,413,668,114.31 : 1,185,994,549,145.90 = 468,788,744,538.15 : x
  2. Step 2: Convert to fraction form
    859,413,668,114.31/1,185,994,549,145.90 = 468,788,744,538.15/x
  3. Step 3: Cross multiply
    859,413,668,114.31x = 1,185,994,549,145.90 × 468,788,744,538.15
  4. Step 4: Simplify right side
    859,413,668,114.31x = 555,980,895,723,195,692,220,416
  5. Step 5: Solve for x
    x = 555,980,895,723,195,692,220,416/859,413,668,114.31
  6. Step 6: Final answer
    x = 646,930,478,710.10

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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.