Home / 1,307,031,663.17-1,803,709,803.31-742,547,519.56

Finding the Fourth Proportional to 1,307,031,663.17, 1,803,709,803.31 and 742,547,519.56

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Solution

The fourth proportional to 1,307,031,663.17, 1,803,709,803.31 and 742,547,519.56 is: 1,024,719,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,031,663.17 : 1,803,709,803.31 = 742,547,519.56 : x
  2. Step 2: Convert to fraction form
    1,307,031,663.17/1,803,709,803.31 = 742,547,519.56/x
  3. Step 3: Cross multiply
    1,307,031,663.17x = 1,803,709,803.31 × 742,547,519.56
  4. Step 4: Simplify right side
    1,307,031,663.17x = 1,339,340,240,447,530,240
  5. Step 5: Solve for x
    x = 1,339,340,240,447,530,240/1,307,031,663.17
  6. Step 6: Final answer
    x = 1,024,719,047.13

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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.