Home / 5,578,803,987.35-7,698,749,642.91-3,072,677,699.13

Finding the Fourth Proportional to 5,578,803,987.35, 7,698,749,642.91 and 3,072,677,699.13

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Solution

The fourth proportional to 5,578,803,987.35, 7,698,749,642.91 and 3,072,677,699.13 is: 4,240,295,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578,803,987.35 : 7,698,749,642.91 = 3,072,677,699.13 : x
  2. Step 2: Convert to fraction form
    5,578,803,987.35/7,698,749,642.91 = 3,072,677,699.13/x
  3. Step 3: Cross multiply
    5,578,803,987.35x = 7,698,749,642.91 × 3,072,677,699.13
  4. Step 4: Simplify right side
    5,578,803,987.35x = 23,655,776,338,925,355,008
  5. Step 5: Solve for x
    x = 23,655,776,338,925,355,008/5,578,803,987.35
  6. Step 6: Final answer
    x = 4,240,295,302.11

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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.