Home / 1,299,877,729.70-1,793,831,267.02-742,972,734.32

Finding the Fourth Proportional to 1,299,877,729.70, 1,793,831,267.02 and 742,972,734.32

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Solution

The fourth proportional to 1,299,877,729.70, 1,793,831,267.02 and 742,972,734.32 is: 1,025,302,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,877,729.70 : 1,793,831,267.02 = 742,972,734.32 : x
  2. Step 2: Convert to fraction form
    1,299,877,729.70/1,793,831,267.02 = 742,972,734.32/x
  3. Step 3: Cross multiply
    1,299,877,729.70x = 1,793,831,267.02 × 742,972,734.32
  4. Step 4: Simplify right side
    1,299,877,729.70x = 1,332,767,721,366,559,488
  5. Step 5: Solve for x
    x = 1,332,767,721,366,559,488/1,299,877,729.70
  6. Step 6: Final answer
    x = 1,025,302,373.38

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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.