Home / 611,814,207.60-917,721,311.40-514,959,085.35

Finding the Fourth Proportional to 611,814,207.60, 917,721,311.40 and 514,959,085.35

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Solution

The fourth proportional to 611,814,207.60, 917,721,311.40 and 514,959,085.35 is: 772,438,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,814,207.60 : 917,721,311.40 = 514,959,085.35 : x
  2. Step 2: Convert to fraction form
    611,814,207.60/917,721,311.40 = 514,959,085.35/x
  3. Step 3: Cross multiply
    611,814,207.60x = 917,721,311.40 × 514,959,085.35
  4. Step 4: Simplify right side
    611,814,207.60x = 472,588,927,124,746,560
  5. Step 5: Solve for x
    x = 472,588,927,124,746,560/611,814,207.60
  6. Step 6: Final answer
    x = 772,438,628.03

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Double scale
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1.5x scale

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.