Home / 1,048,833,075.13-1,447,389,785.35-578,934,484.76

Finding the Fourth Proportional to 1,048,833,075.13, 1,447,389,785.35 and 578,934,484.76

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Solution

The fourth proportional to 1,048,833,075.13, 1,447,389,785.35 and 578,934,484.76 is: 798,929,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,833,075.13 : 1,447,389,785.35 = 578,934,484.76 : x
  2. Step 2: Convert to fraction form
    1,048,833,075.13/1,447,389,785.35 = 578,934,484.76/x
  3. Step 3: Cross multiply
    1,048,833,075.13x = 1,447,389,785.35 × 578,934,484.76
  4. Step 4: Simplify right side
    1,048,833,075.13x = 837,943,859,632,802,560
  5. Step 5: Solve for x
    x = 837,943,859,632,802,560/1,048,833,075.13
  6. Step 6: Final answer
    x = 798,929,667.17

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Half scale
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Double scale
Find fourth proportional to 1,048,833,076.13, 1,447,389,786.73 and 578,934,485.76
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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.