Home / 875,806,360.44-1,208,615,980.52-473,920,112.76

Finding the Fourth Proportional to 875,806,360.44, 1,208,615,980.52 and 473,920,112.76

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Solution

The fourth proportional to 875,806,360.44, 1,208,615,980.52 and 473,920,112.76 is: 654,011,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,806,360.44 : 1,208,615,980.52 = 473,920,112.76 : x
  2. Step 2: Convert to fraction form
    875,806,360.44/1,208,615,980.52 = 473,920,112.76/x
  3. Step 3: Cross multiply
    875,806,360.44x = 1,208,615,980.52 × 473,920,112.76
  4. Step 4: Simplify right side
    875,806,360.44x = 572,787,421,771,576,320
  5. Step 5: Solve for x
    x = 572,787,421,771,576,320/875,806,360.44
  6. Step 6: Final answer
    x = 654,011,488.89

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Double scale
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1.5x scale

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.