Home / 1,360,969,484.67-1,878,065,026.23-749,896,582.79

Finding the Fourth Proportional to 1,360,969,484.67, 1,878,065,026.23 and 749,896,582.79

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Solution

The fourth proportional to 1,360,969,484.67, 1,878,065,026.23 and 749,896,582.79 is: 1,034,817,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,969,484.67 : 1,878,065,026.23 = 749,896,582.79 : x
  2. Step 2: Convert to fraction form
    1,360,969,484.67/1,878,065,026.23 = 749,896,582.79/x
  3. Step 3: Cross multiply
    1,360,969,484.67x = 1,878,065,026.23 × 749,896,582.79
  4. Step 4: Simplify right side
    1,360,969,484.67x = 1,408,354,545,417,898,240
  5. Step 5: Solve for x
    x = 1,408,354,545,417,898,240/1,360,969,484.67
  6. Step 6: Final answer
    x = 1,034,817,136.81

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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.