Home / 7,864,535,681.37-10,855,645,646.83-6,259,934,030.45

Finding the Fourth Proportional to 7,864,535,681.37, 10,855,645,646.83 and 6,259,934,030.45

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Solution

The fourth proportional to 7,864,535,681.37, 10,855,645,646.83 and 6,259,934,030.45 is: 8,640,767,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864,535,681.37 : 10,855,645,646.83 = 6,259,934,030.45 : x
  2. Step 2: Convert to fraction form
    7,864,535,681.37/10,855,645,646.83 = 6,259,934,030.45/x
  3. Step 3: Cross multiply
    7,864,535,681.37x = 10,855,645,646.83 × 6,259,934,030.45
  4. Step 4: Simplify right side
    7,864,535,681.37x = 67,955,625,607,024,459,776
  5. Step 5: Solve for x
    x = 67,955,625,607,024,459,776/7,864,535,681.37
  6. Step 6: Final answer
    x = 8,640,767,663.88

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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.