Home / 942,402,683.19-1,300,499,836.20-519,055,767.66

Finding the Fourth Proportional to 942,402,683.19, 1,300,499,836.20 and 519,055,767.66

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Solution

The fourth proportional to 942,402,683.19, 1,300,499,836.20 and 519,055,767.66 is: 716,288,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,402,683.19 : 1,300,499,836.20 = 519,055,767.66 : x
  2. Step 2: Convert to fraction form
    942,402,683.19/1,300,499,836.20 = 519,055,767.66/x
  3. Step 3: Cross multiply
    942,402,683.19x = 1,300,499,836.20 × 519,055,767.66
  4. Step 4: Simplify right side
    942,402,683.19x = 675,031,940,820,495,360
  5. Step 5: Solve for x
    x = 675,031,940,820,495,360/942,402,683.19
  6. Step 6: Final answer
    x = 716,288,220.38

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Half scale
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Double scale
Find fourth proportional to 942,402,684.19, 1,300,499,837.58 and 519,055,768.66
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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.