Home / 779,671,931.36-1,076,000,054.46-440,462,758.51

Finding the Fourth Proportional to 779,671,931.36, 1,076,000,054.46 and 440,462,758.51

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Solution

The fourth proportional to 779,671,931.36, 1,076,000,054.46 and 440,462,758.51 is: 607,868,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,671,931.36 : 1,076,000,054.46 = 440,462,758.51 : x
  2. Step 2: Convert to fraction form
    779,671,931.36/1,076,000,054.46 = 440,462,758.51/x
  3. Step 3: Cross multiply
    779,671,931.36x = 1,076,000,054.46 × 440,462,758.51
  4. Step 4: Simplify right side
    779,671,931.36x = 473,937,952,141,671,808
  5. Step 5: Solve for x
    x = 473,937,952,141,671,808/779,671,931.36
  6. Step 6: Final answer
    x = 607,868,429.12

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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.