Home / 849,374,547.28-1,172,173,240.44-473,031,132.98

Finding the Fourth Proportional to 849,374,547.28, 1,172,173,240.44 and 473,031,132.98

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Solution

The fourth proportional to 849,374,547.28, 1,172,173,240.44 and 473,031,132.98 is: 652,803,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,374,547.28 : 1,172,173,240.44 = 473,031,132.98 : x
  2. Step 2: Convert to fraction form
    849,374,547.28/1,172,173,240.44 = 473,031,132.98/x
  3. Step 3: Cross multiply
    849,374,547.28x = 1,172,173,240.44 × 473,031,132.98
  4. Step 4: Simplify right side
    849,374,547.28x = 554,474,435,972,934,656
  5. Step 5: Solve for x
    x = 554,474,435,972,934,656/849,374,547.28
  6. Step 6: Final answer
    x = 652,803,215.90

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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.