Home / 901,229,901.69-1,243,301,088.11-543,798,307.29

Finding the Fourth Proportional to 901,229,901.69, 1,243,301,088.11 and 543,798,307.29

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Solution

The fourth proportional to 901,229,901.69, 1,243,301,088.11 and 543,798,307.29 is: 750,202,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,229,901.69 : 1,243,301,088.11 = 543,798,307.29 : x
  2. Step 2: Convert to fraction form
    901,229,901.69/1,243,301,088.11 = 543,798,307.29/x
  3. Step 3: Cross multiply
    901,229,901.69x = 1,243,301,088.11 × 543,798,307.29
  4. Step 4: Simplify right side
    901,229,901.69x = 676,105,027,163,314,176
  5. Step 5: Solve for x
    x = 676,105,027,163,314,176/901,229,901.69
  6. Step 6: Final answer
    x = 750,202,613.00

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Double scale
Find fourth proportional to 901,229,902.69, 1,243,301,089.48 and 543,798,308.29
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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.